22651952 has 40 divisors (see below), whose sum is σ = 46537200. Its totient is φ = 10651392.

The previous prime is 22651949. The next prime is 22651957. The reversal of 22651952 is 25915622.

It is a super-2 number, since 2×22651952² = 1026221858820608, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (22651957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 81638 + ... + 81914.

It is an arithmetic number, because the mean of its divisors is an integer number (1163430).

Almost surely, 2^22651952 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 22651952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (23268600).

22651952 is an abundant number, since it is smaller than the sum of its proper divisors (23885248).

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

22651952 is a wasteful number, since it uses less digits than its factorization.

22651952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573 (or 567 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 22651952 is about 4759.4066857120. The cubic root of 22651952 is about 282.9449047228.

The spelling of 22651952 in words is "twenty-two million, six hundred fifty-one thousand, nine hundred fifty-two".