22393164 has 24 divisors (see below), whose sum is σ = 52481520. Its totient is φ = 7431424.

The previous prime is 22393157. The next prime is 22393169. The reversal of 22393164 is 46139322.

It is a hoax number, since the sum of its digits (30) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (22393169) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209 + ... + 6800.

It is an arithmetic number, because the mean of its divisors is an integer number (2186730).

Almost surely, 2^22393164 is an apocalyptic number.

It is an amenable number.

22393164 is an abundant number, since it is smaller than the sum of its proper divisors (30088356).

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

22393164 is a wasteful number, since it uses less digits than its factorization.

22393164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8249 (or 8247 counting only the distinct ones).

The product of its digits is 7776, while the sum is 30.

The square root of 22393164 is about 4732.1415870618. The cubic root of 22393164 is about 281.8632705709.

The spelling of 22393164 in words is "twenty-two million, three hundred ninety-three thousand, one hundred sixty-four".