22090939 has 16 divisors (see below), whose sum is σ = 26520480. Its totient is φ = 18178560.

The previous prime is 22090933. The next prime is 22090951. The reversal of 22090939 is 93909022.

It is a cyclic number.

It is not a de Polignac number, because 22090939 - 2³ = 22090931 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22090931) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1569 + ... + 6829.

It is an arithmetic number, because the mean of its divisors is an integer number (1657530).

Almost surely, 2^22090939 is an apocalyptic number.

22090939 is a deficient number, since it is larger than the sum of its proper divisors (4429541).

22090939 is a wasteful number, since it uses less digits than its factorization.

22090939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 8748, while the sum is 34.

The square root of 22090939 is about 4700.0998925555. The cubic root of 22090939 is about 280.5894851245.

The spelling of 22090939 in words is "twenty-two million, ninety thousand, nine hundred thirty-nine".