22988028 has 48 divisors (see below), whose sum is σ = 61639424. Its totient is φ = 6531840.

The previous prime is 22988027. The next prime is 22988059. The reversal of 22988028 is 82088922.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22988023) 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, 17076 + ... + 18372.

Almost surely, 2^22988028 is an apocalyptic number.

22988028 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22988028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30819712).

22988028 is an abundant number, since it is smaller than the sum of its proper divisors (38651396).

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

22988028 is a wasteful number, since it uses less digits than its factorization.

22988028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1522 (or 1520 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 39.

The square root of 22988028 is about 4794.5831935633. The cubic root of 22988028 is about 284.3373462684.

The spelling of 22988028 in words is "twenty-two million, nine hundred eighty-eight thousand, twenty-eight".