22988928 has 64 divisors (see below), whose sum is σ = 61665120. Its totient is φ = 7587840.

The previous prime is 22988899. The next prime is 22988957. The reversal of 22988928 is 82988922.

It is an interprime number because it is at equal distance from previous prime (22988899) and next prime (22988957).

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 50076 + ... + 50532.

Almost surely, 2^22988928 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 22988928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30832560).

22988928 is an abundant number, since it is smaller than the sum of its proper divisors (38676192).

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

22988928 is a wasteful number, since it uses less digits than its factorization.

22988928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 605 (or 593 counting only the distinct ones).

The product of its digits is 331776, while the sum is 48.

The square root of 22988928 is about 4794.6770485612. The cubic root of 22988928 is about 284.3410568995.

The spelling of 22988928 in words is "twenty-two million, nine hundred eighty-eight thousand, nine hundred twenty-eight".