22090884 has 24 divisors (see below), whose sum is σ = 51623040. Its totient is φ = 7352544.

The previous prime is 22090883. The next prime is 22090907. The reversal of 22090884 is 48809022.

It is not an unprimeable number, because it can be changed into a prime (22090883) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12402 + ... + 14070.

It is an arithmetic number, because the mean of its divisors is an integer number (2150960).

Almost surely, 2^22090884 is an apocalyptic number.

It is an amenable number.

22090884 is an abundant number, since it is smaller than the sum of its proper divisors (29532156).

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

22090884 is a wasteful number, since it uses less digits than its factorization.

22090884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2779 (or 2777 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 22090884 is about 4700.0940416124. The cubic root of 22090884 is about 280.5892522623.

The spelling of 22090884 in words is "twenty-two million, ninety thousand, eight hundred eighty-four".