22056868 has 12 divisors (see below), whose sum is σ = 39232732. Its totient is φ = 10847520.

The previous prime is 22056823. The next prime is 22056883. The reversal of 22056868 is 86865022.

It can be written as a sum of positive squares in 2 ways, for example, as 322624 + 21734244 = 568^2 + 4662^2 .

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

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 3 ways as a sum of consecutive naturals, for example, 44955 + ... + 45442.

Almost surely, 2^22056868 is an apocalyptic number.

It is an amenable number.

22056868 is a deficient number, since it is larger than the sum of its proper divisors (17175864).

22056868 is a wasteful number, since it uses less digits than its factorization.

22056868 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90462 (or 90460 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 22056868 is about 4696.4739965212. The cubic root of 22056868 is about 280.4451592335.

The spelling of 22056868 in words is "twenty-two million, fifty-six thousand, eight hundred sixty-eight".