22715496 has 24 divisors (see below), whose sum is σ = 61521330. Its totient is φ = 7571808.

The previous prime is 22715489. The next prime is 22715503. The reversal of 22715496 is 69451722.

It is an interprime number because it is at equal distance from previous prime (22715489) and next prime (22715503).

It can be written as a sum of positive squares in only one way, i.e., 21958596 + 756900 = 4686^2 + 870^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 22715496.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 157675 + ... + 157818.

Almost surely, 2^22715496 is an apocalyptic number.

It is an amenable number.

22715496 is an abundant number, since it is smaller than the sum of its proper divisors (38805834).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22715496 is a wasteful number, since it uses less digits than its factorization.

22715496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 315505 (or 315498 counting only the distinct ones).

The product of its digits is 30240, while the sum is 36.

The square root of 22715496 is about 4766.0776326031. The cubic root of 22715496 is about 283.2092331568.

The spelling of 22715496 in words is "twenty-two million, seven hundred fifteen thousand, four hundred ninety-six".