22664752 has 60 divisors (see below), whose sum is σ = 50465520. Its totient is φ = 9834880.

The previous prime is 22664743. The next prime is 22664771. The reversal of 22664752 is 25746622.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44274 + ... + 44782.

It is an arithmetic number, because the mean of its divisors is an integer number (841092).

Almost surely, 2^22664752 is an apocalyptic number.

22664752 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22664752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25232760).

22664752 is an abundant number, since it is smaller than the sum of its proper divisors (27800768).

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

22664752 is a wasteful number, since it uses less digits than its factorization.

22664752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562 (or 545 counting only the distinct ones).

The product of its digits is 40320, while the sum is 34.

The square root of 22664752 is about 4760.7512012286. The cubic root of 22664752 is about 282.9981895026.

The spelling of 22664752 in words is "twenty-two million, six hundred sixty-four thousand, seven hundred fifty-two".