22056584 has 16 divisors (see below), whose sum is σ = 45115920. Its totient is φ = 10025680.

The previous prime is 22056571. The next prime is 22056607. The reversal of 22056584 is 48565022.

It is a self number, because there is not a number n which added to its sum of digits gives 22056584.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 125234 + ... + 125409.

It is an arithmetic number, because the mean of its divisors is an integer number (2819745).

Almost surely, 2^22056584 is an apocalyptic number.

It is an amenable number.

22056584 is an abundant number, since it is smaller than the sum of its proper divisors (23059336).

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

22056584 is a wasteful number, since it uses less digits than its factorization.

22056584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 250660 (or 250656 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The square root of 22056584 is about 4696.4437609749. The cubic root of 22056584 is about 280.4439555757.

The spelling of 22056584 in words is "twenty-two million, fifty-six thousand, five hundred eighty-four".