57264222 has 8 divisors (see below), whose sum is σ = 114528456. Its totient is φ = 19088072.

The previous prime is 57264217. The next prime is 57264239. The reversal of 57264222 is 22246275.

It is a sphenic number, since it is the product of 3 distinct primes.

57264222 is an admirable number.

It is a super-2 number, since 2×57264222² = 6558382242530568, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 57264222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4772013 + ... + 4772024.

It is an arithmetic number, because the mean of its divisors is an integer number (14316057).

Almost surely, 2^57264222 is an apocalyptic number.

57264222 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

57264222 is a wasteful number, since it uses less digits than its factorization.

57264222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9544042.

The product of its digits is 13440, while the sum is 30.

The square root of 57264222 is about 7567.3127330645. The cubic root of 57264222 is about 385.4438508426.

The spelling of 57264222 in words is "fifty-seven million, two hundred sixty-four thousand, two hundred twenty-two".