22090569 has 16 divisors (see below), whose sum is σ = 30597120. Its totient is φ = 14161680.

The previous prime is 22090561. The next prime is 22090573. The reversal of 22090569 is 96509022.

It is not a de Polignac number, because 22090569 - 2³ = 22090561 is a prime.

It is a super-2 number, since 2×22090569² = 975986477487522, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22090561) 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, 15984 + ... + 17310.

It is an arithmetic number, because the mean of its divisors is an integer number (1912320).

Almost surely, 2^22090569 is an apocalyptic number.

It is an amenable number.

22090569 is a deficient number, since it is larger than the sum of its proper divisors (8506551).

22090569 is a wasteful number, since it uses less digits than its factorization.

22090569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1540.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 22090569 is about 4700.0605315251. The cubic root of 22090569 is about 280.5879185895.

The spelling of 22090569 in words is "twenty-two million, ninety thousand, five hundred sixty-nine".