22652874 has 48 divisors (see below), whose sum is σ = 52383240. Its totient is φ = 7050240.

The previous prime is 22652867. The next prime is 22652879. The reversal of 22652874 is 47825622.

It can be written as a sum of positive squares in 4 ways, for example, as 20115225 + 2537649 = 4485^2 + 1593^2 .

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (22652879) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 55182 + ... + 55590.

Almost surely, 2^22652874 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22652874, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26191620).

22652874 is an abundant number, since it is smaller than the sum of its proper divisors (29730366).

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

22652874 is a wasteful number, since it uses less digits than its factorization.

22652874 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615 (or 612 counting only the distinct ones).

The product of its digits is 53760, while the sum is 36.

The square root of 22652874 is about 4759.5035455392. The cubic root of 22652874 is about 282.9487435629.

The spelling of 22652874 in words is "twenty-two million, six hundred fifty-two thousand, eight hundred seventy-four".