222956 has 12 divisors (see below), whose sum is σ = 393960. Its totient is φ = 110400.

The previous prime is 222953. The next prime is 222967. The reversal of 222956 is 659222.

It is not an unprimeable number, because it can be changed into a prime (222953) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356 + ... + 756.

It is an arithmetic number, because the mean of its divisors is an integer number (32830).

2²²²⁹⁵⁶ is an apocalyptic number.

It is an amenable number.

222956 is a deficient number, since it is larger than the sum of its proper divisors (171004).

222956 is a wasteful number, since it uses less digits than its factorization.

222956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 544 (or 542 counting only the distinct ones).

The product of its digits is 2160, while the sum is 26.

The square root of 222956 is about 472.1821682359. The cubic root of 222956 is about 60.6372813182.

The spelling of 222956 in words is "two hundred twenty-two thousand, nine hundred fifty-six".