22056872 has 48 divisors (see below), whose sum is σ = 45280800. Its totient is φ = 10044000.

The previous prime is 22056823. The next prime is 22056883. The reversal of 22056872 is 27865022.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 145997 + ... + 146147.

It is an arithmetic number, because the mean of its divisors is an integer number (943350).

Almost surely, 2^22056872 is an apocalyptic number.

It is an amenable number.

22056872 is an abundant number, since it is smaller than the sum of its proper divisors (23223928).

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

22056872 is a wasteful number, since it uses less digits than its factorization.

22056872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 203 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 32.

The square root of 22056872 is about 4696.4744223726. The cubic root of 22056872 is about 280.4451761864.

The spelling of 22056872 in words is "twenty-two million, fifty-six thousand, eight hundred seventy-two".