56722182 has 32 divisors (see below), whose sum is σ = 130273920. Its totient is φ = 16283520.

The previous prime is 56722153. The next prime is 56722291. The reversal of 56722182 is 28122765.

It is a super-2 number, since 2×56722182² = 6434811861682248, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21363 + ... + 23870.

It is an arithmetic number, because the mean of its divisors is an integer number (4071060).

Almost surely, 2^56722182 is an apocalyptic number.

56722182 is an abundant number, since it is smaller than the sum of its proper divisors (73551738).

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

56722182 is a wasteful number, since it uses less digits than its factorization.

56722182 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45268.

The product of its digits is 13440, while the sum is 33.

The square root of 56722182 is about 7531.4130148333. The cubic root of 56722182 is about 384.2238413897.

The spelling of 56722182 in words is "fifty-six million, seven hundred twenty-two thousand, one hundred eighty-two".