222654656 has 28 divisors (see below), whose sum is σ = 504949968. Its totient is φ = 95423232.

The previous prime is 222654629. The next prime is 222654667. The reversal of 222654656 is 656456222.

It is a tau number, because it is divible by the number of its divisors (28).

It is an unprimeable number.

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, 248051 + ... + 248946.

Almost surely, 2^222654656 is an apocalyptic number.

It is an amenable number.

222654656 is an abundant number, since it is smaller than the sum of its proper divisors (282295312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222654656 is an equidigital number, since it uses as much as digits as its factorization.

222654656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497016 (or 497006 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 222654656 is about 14921.6170705457. The cubic root of 222654656 is about 606.0995018641.

The spelling of 222654656 in words is "two hundred twenty-two million, six hundred fifty-four thousand, six hundred fifty-six".