22897888 has 48 divisors (see below), whose sum is σ = 51120720. Its totient is φ = 10008576.

The previous prime is 22897879. The next prime is 22897891. The reversal of 22897888 is 88879822.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6456 + ... + 9352.

It is an arithmetic number, because the mean of its divisors is an integer number (1065015).

Almost surely, 2^22897888 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 22897888, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25560360).

22897888 is an abundant number, since it is smaller than the sum of its proper divisors (28222832).

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

22897888 is a wasteful number, since it uses less digits than its factorization.

22897888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2939 (or 2931 counting only the distinct ones).

The product of its digits is 1032192, while the sum is 52.

The square root of 22897888 is about 4785.1737690496. The cubic root of 22897888 is about 283.9652142807.

The spelling of 22897888 in words is "twenty-two million, eight hundred ninety-seven thousand, eight hundred eighty-eight".