22996128 has 24 divisors (see below), whose sum is σ = 60365088. Its totient is φ = 7665344.

The previous prime is 22996123. The next prime is 22996139. The reversal of 22996128 is 82169922.

It is a tau number, because it is divible by the number of its divisors (24).

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (22996123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 119676 + ... + 119867.

It is an arithmetic number, because the mean of its divisors is an integer number (2515212).

Almost surely, 2^22996128 is an apocalyptic number.

It is an amenable number.

22996128 is an abundant number, since it is smaller than the sum of its proper divisors (37368960).

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

22996128 is a wasteful number, since it uses less digits than its factorization.

22996128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239556 (or 239548 counting only the distinct ones).

The product of its digits is 31104, while the sum is 39.

The square root of 22996128 is about 4795.4278224158. The cubic root of 22996128 is about 284.3707384621.

The spelling of 22996128 in words is "twenty-two million, nine hundred ninety-six thousand, one hundred twenty-eight".