56222904 has 32 divisors (see below), whose sum is σ = 143550720. Its totient is φ = 18341856.

The previous prime is 56222867. The next prime is 56222911. The reversal of 56222904 is 40922265.

It is a super-2 number, since 2×56222904² = 6322029868386432, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23794 + ... + 26049.

It is an arithmetic number, because the mean of its divisors is an integer number (4485960).

Almost surely, 2^56222904 is an apocalyptic number.

It is an amenable number.

56222904 is an abundant number, since it is smaller than the sum of its proper divisors (87327816).

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

56222904 is a wasteful number, since it uses less digits than its factorization.

56222904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49899 (or 49895 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 30.

The square root of 56222904 is about 7498.1933824089. The cubic root of 56222904 is about 383.0931835884.

The spelling of 56222904 in words is "fifty-six million, two hundred twenty-two thousand, nine hundred four".