22396915 has 16 divisors (see below), whose sum is σ = 28408320. Its totient is φ = 16904160.

The previous prime is 22396901. The next prime is 22396921. The reversal of 22396915 is 51969322.

It is not a de Polignac number, because 22396915 - 2⁵ = 22396883 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40672 + ... + 41218.

It is an arithmetic number, because the mean of its divisors is an integer number (1775520).

Almost surely, 2^22396915 is an apocalyptic number.

22396915 is a deficient number, since it is larger than the sum of its proper divisors (6011405).

22396915 is a wasteful number, since it uses less digits than its factorization.

22396915 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1002.

The product of its digits is 29160, while the sum is 37.

The square root of 22396915 is about 4732.5379026480. The cubic root of 22396915 is about 281.8790076667.

The spelling of 22396915 in words is "twenty-two million, three hundred ninety-six thousand, nine hundred fifteen".