22056804 has 144 divisors (see below), whose sum is σ = 71111040. Its totient is φ = 5598720.

The previous prime is 22056799. The next prime is 22056817. The reversal of 22056804 is 40865022.

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 47 ways as a sum of consecutive naturals, for example, 202302 + ... + 202410.

Almost surely, 2^22056804 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22056804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35555520).

22056804 is an abundant number, since it is smaller than the sum of its proper divisors (49054236).

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

22056804 is a wasteful number, since it uses less digits than its factorization.

22056804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210 (or 205 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 22056804 is about 4696.4671828940. The cubic root of 22056804 is about 280.4448879876. Note that the first 3 decimals are identical.

It can be divided in two parts, 2205 and 6804, that added together give a palindrome (9009).

The spelling of 22056804 in words is "twenty-two million, fifty-six thousand, eight hundred four".