22164928 has 28 divisors (see below), whose sum is σ = 45061632. Its totient is φ = 10810880.

The previous prime is 22164913. The next prime is 22164931. The reversal of 22164928 is 82946122.

It is a junction number, because it is equal to n+sod(n) for n = 22164893 and 22164902.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1600 + ... + 6847.

It is an arithmetic number, because the mean of its divisors is an integer number (1609344).

Almost surely, 2^22164928 is an apocalyptic number.

It is an amenable number.

22164928 is an abundant number, since it is smaller than the sum of its proper divisors (22896704).

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

22164928 is an equidigital number, since it uses as much as digits as its factorization.

22164928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8500 (or 8490 counting only the distinct ones).

The product of its digits is 13824, while the sum is 34.

The square root of 22164928 is about 4707.9643159225. The cubic root of 22164928 is about 280.9023947259.

The spelling of 22164928 in words is "twenty-two million, one hundred sixty-four thousand, nine hundred twenty-eight".