222 (number)

Two hundred and twenty-two redirects here. This article is relating to number 222. For the year, to see 222.

222 (two hundred and twenty-two) is the Entier naturalness which follows 221 and which precedes 223.

In mathematics

Two hundred and twenty-two is:
  • a uniform Number.
  • a Number sphenic by its factorization.
  • a Number Harshad.
  • It does not have there a solution with the equation X - φ ( X ) = 222, making 222 a Anti-Co-indicator.
  • It has there, in the bases 10, no entirety which added to the sum with its own figures gives 222, making 222 a Auto number.
  • a sector of angle of approximatevement 222.49° divides the circle into two parts in report/ratio (surface) of the Golden section.
  • the first uniform triplet Nombre of the square Racine of 222 is 222:
√222 =
14.89966442575133971933181604612395114023452166218124
        73380574030119289350747022456370098357196526519656
        5213939648401 222 6637696242316850851449289924…
  • a magic Carré of opposite of prime numbers based on 223 in the bases three has a magic constant of 222.

In other fields

Two hundred and twenty-two is also:
  • a pop group rock'n'roll 222 '
  • a television program Room 222
  • a model of Beautiful Helicopter 222
  • the Mass number of the stable core more of the Radon
  • historical Years: -222, 222

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