22999128 has 32 divisors (see below), whose sum is σ = 57615360. Its totient is φ = 7650720.

The previous prime is 22999099. The next prime is 22999129. The reversal of 22999128 is 82199922.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22999128.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22999129) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22713 + ... + 23703.

It is an arithmetic number, because the mean of its divisors is an integer number (1800480).

Almost surely, 2^22999128 is an apocalyptic number.

It is an amenable number.

22999128 is an abundant number, since it is smaller than the sum of its proper divisors (34616232).

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

22999128 is a wasteful number, since it uses less digits than its factorization.

22999128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967 (or 1963 counting only the distinct ones).

The product of its digits is 46656, while the sum is 42.

The square root of 22999128 is about 4795.7406101665. The cubic root of 22999128 is about 284.3831039513.

The spelling of 22999128 in words is "twenty-two million, nine hundred ninety-nine thousand, one hundred twenty-eight".