22991059 has 16 divisors (see below), whose sum is σ = 28421568. Its totient is φ = 18110592.

The previous prime is 22991051. The next prime is 22991063. The reversal of 22991059 is 95019922.

It is a cyclic number.

It is not a de Polignac number, because 22991059 - 2³ = 22991051 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22991051) 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, 28449 + ... + 29245.

It is an arithmetic number, because the mean of its divisors is an integer number (1776348).

Almost surely, 2^22991059 is an apocalyptic number.

22991059 is a deficient number, since it is larger than the sum of its proper divisors (5430509).

22991059 is a wasteful number, since it uses less digits than its factorization.

22991059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

The product of its (nonzero) digits is 14580, while the sum is 37.

The square root of 22991059 is about 4794.8992690149. The cubic root of 22991059 is about 284.3498424631.

The spelling of 22991059 in words is "twenty-two million, nine hundred ninety-one thousand, fifty-nine".