22929372 has 48 divisors (see below), whose sum is σ = 61504800. Its totient is φ = 7378560.

The previous prime is 22929353. The next prime is 22929383. The reversal of 22929372 is 27392922.

It is a happy number.

It is a super-2 number, since 2×22929372² = 1051512200628768, which contains 22 as substring.

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

It is a congruent number.

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, 529 + ... + 6792.

It is an arithmetic number, because the mean of its divisors is an integer number (1281350).

Almost surely, 2^22929372 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 22929372, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30752400).

22929372 is an abundant number, since it is smaller than the sum of its proper divisors (38575428).

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

22929372 is a wasteful number, since it uses less digits than its factorization.

22929372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7363 (or 7355 counting only the distinct ones).

The product of its digits is 27216, while the sum is 36.

The square root of 22929372 is about 4788.4623836885. The cubic root of 22929372 is about 284.0953029356.

It can be divided in two parts, 2292 and 9372, that added together give a square (11664 = 108²).

The spelling of 22929372 in words is "twenty-two million, nine hundred twenty-nine thousand, three hundred seventy-two".