22887252 has 48 divisors (see below), whose sum is σ = 60170880. Its totient is φ = 7521984.

The previous prime is 22887251. The next prime is 22887257. The reversal of 22887252 is 25278822.

It is a super-2 number, since 2×22887252² = 1047652608223008, 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 not an unprimeable number, because it can be changed into a prime (22887251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6433 + ... + 9335.

It is an arithmetic number, because the mean of its divisors is an integer number (1253560).

Almost surely, 2^22887252 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 22887252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30085440).

22887252 is an abundant number, since it is smaller than the sum of its proper divisors (37283628).

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

22887252 is a wasteful number, since it uses less digits than its factorization.

22887252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2989 (or 2981 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 22887252 is about 4784.0622905644. The cubic root of 22887252 is about 283.9212404759.

The spelling of 22887252 in words is "twenty-two million, eight hundred eighty-seven thousand, two hundred fifty-two".