22113128 has 16 divisors (see below), whose sum is σ = 41513280. Its totient is φ = 11042928.

The previous prime is 22113121. The next prime is 22113151. The reversal of 22113128 is 82131122.

It is not an unprimeable number, because it can be changed into a prime (22113121) 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, 9575 + ... + 11657.

It is an arithmetic number, because the mean of its divisors is an integer number (2594580).

Almost surely, 2^22113128 is an apocalyptic number.

It is an amenable number.

22113128 is a deficient number, since it is larger than the sum of its proper divisors (19400152).

22113128 is a wasteful number, since it uses less digits than its factorization.

22113128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3416 (or 3412 counting only the distinct ones).

The product of its digits is 192, while the sum is 20.

The square root of 22113128 is about 4702.4597818589. The cubic root of 22113128 is about 280.6833986924.

The spelling of 22113128 in words is "twenty-two million, one hundred thirteen thousand, one hundred twenty-eight".