22090984 has 16 divisors (see below), whose sum is σ = 41472900. Its totient is φ = 11031552.

The previous prime is 22090979. The next prime is 22090993. The reversal of 22090984 is 48909022.

It can be written as a sum of positive squares in 2 ways, for example, as 19166884 + 2924100 = 4378^2 + 1710^2 .

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, 8602 + ... + 10870.

Almost surely, 2^22090984 is an apocalyptic number.

It is an amenable number.

22090984 is a deficient number, since it is larger than the sum of its proper divisors (19381916).

22090984 is a wasteful number, since it uses less digits than its factorization.

22090984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3492 (or 3488 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 22090984 is about 4700.1046796853. The cubic root of 22090984 is about 280.5896756478.

It can be divided in two parts, 220 and 90984, that added together give a square (91204 = 302²).

The spelling of 22090984 in words is "twenty-two million, ninety thousand, nine hundred eighty-four".