56922802218 has 32 divisors (see below), whose sum is σ = 129913907520. Its totient is φ = 18461448720.

The previous prime is 56922802217. The next prime is 56922802231. The reversal of 56922802218 is 81220822965.

56922802218 is a `hidden beast` number, since 569 + 2 + 2 + 80 + 2 + 2 + 1 + 8 = 666.

It is not an unprimeable number, because it can be changed into a prime (56922802213) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14242948 + ... + 14246943.

It is an arithmetic number, because the mean of its divisors is an integer number (4059809610).

Almost surely, 2^56922802218 is an apocalyptic number.

56922802218 is an abundant number, since it is smaller than the sum of its proper divisors (72991105302).

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

56922802218 is a wasteful number, since it uses less digits than its factorization.

56922802218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28489939 (or 28489933 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 45.

The spelling of 56922802218 in words is "fifty-six billion, nine hundred twenty-two million, eight hundred two thousand, two hundred eighteen".