22512924 has 96 divisors (see below), whose sum is σ = 67612160. Its totient is φ = 6345216.

The previous prime is 22512923. The next prime is 22512937. The reversal of 22512924 is 42921522.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22512923) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 73179 + ... + 73485.

Almost surely, 2^22512924 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22512924, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33806080).

22512924 is an abundant number, since it is smaller than the sum of its proper divisors (45099236).

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

22512924 is a wasteful number, since it uses less digits than its factorization.

22512924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424 (or 416 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 22512924 is about 4744.7786038971. The cubic root of 22512924 is about 282.3648514277.

It can be divided in two parts, 22512 and 924, that added together give a triangular number (23436 = T₂₁₆).

The spelling of 22512924 in words is "twenty-two million, five hundred twelve thousand, nine hundred twenty-four".