22259913 has 16 divisors (see below), whose sum is σ = 32214336. Its totient is φ = 13590720.

The previous prime is 22259899. The next prime is 22259917. The reversal of 22259913 is 31995222.

It is not a de Polignac number, because 22259913 - 2⁹ = 22259401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22259917) 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, 2931 + ... + 7287.

It is an arithmetic number, because the mean of its divisors is an integer number (2013396).

Almost surely, 2^22259913 is an apocalyptic number.

It is an amenable number.

22259913 is a deficient number, since it is larger than the sum of its proper divisors (9954423).

22259913 is a wasteful number, since it uses less digits than its factorization.

22259913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4504.

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

The square root of 22259913 is about 4718.0412249153. The cubic root of 22259913 is about 281.3030801544.

The spelling of 22259913 in words is "twenty-two million, two hundred fifty-nine thousand, nine hundred thirteen".