22685952 has 72 divisors (see below), whose sum is σ = 61156480. Its totient is φ = 7464960.

The previous prime is 22685951. The next prime is 22685959. The reversal of 22685952 is 25958622.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 22685952.

It is not an unprimeable number, because it can be changed into a prime (22685951) 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, 83577 + ... + 83847.

Almost surely, 2^22685952 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 22685952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30578240).

22685952 is an abundant number, since it is smaller than the sum of its proper divisors (38470528).

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

22685952 is a wasteful number, since it uses less digits than its factorization.

22685952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 399 (or 385 counting only the distinct ones).

The product of its digits is 86400, while the sum is 39.

The square root of 22685952 is about 4762.9772201849. The cubic root of 22685952 is about 283.0863983063.

The spelling of 22685952 in words is "twenty-two million, six hundred eighty-five thousand, nine hundred fifty-two".