222568456 has 16 divisors (see below), whose sum is σ = 455253840. Its totient is φ = 101167440.

The previous prime is 222568429. The next prime is 222568469. The reversal of 222568456 is 654865222.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1264506 + ... + 1264681.

It is an arithmetic number, because the mean of its divisors is an integer number (28453365).

Almost surely, 2^222568456 is an apocalyptic number.

It is an amenable number.

222568456 is an abundant number, since it is smaller than the sum of its proper divisors (232685384).

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

222568456 is a wasteful number, since it uses less digits than its factorization.

222568456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2529204 (or 2529200 counting only the distinct ones).

The product of its digits is 230400, while the sum is 40.

The square root of 222568456 is about 14918.7283640396. The cubic root of 222568456 is about 606.0212753081.

The spelling of 222568456 in words is "two hundred twenty-two million, five hundred sixty-eight thousand, four hundred fifty-six".