22164893125 has 20 divisors (see below), whose sum is σ = 27710004960. Its totient is φ = 17723750000.

The previous prime is 22164893071. The next prime is 22164893147. The reversal of 22164893125 is 52139846122.

It is not a de Polignac number, because 22164893125 - 2²¹ = 22162795973 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1605000 + ... + 1618750.

It is an arithmetic number, because the mean of its divisors is an integer number (1385500248).

Almost surely, 2^22164893125 is an apocalyptic number.

22164893125 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

It is an amenable number.

22164893125 is a deficient number, since it is larger than the sum of its proper divisors (5545111835).

22164893125 is an equidigital number, since it uses as much as digits as its factorization.

22164893125 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16350 (or 16335 counting only the distinct ones).

The product of its digits is 207360, while the sum is 43.

The spelling of 22164893125 in words is "twenty-two billion, one hundred sixty-four million, eight hundred ninety-three thousand, one hundred twenty-five".