22345164 has 36 divisors (see below), whose sum is σ = 57865080. Its totient is φ = 7266240.

The previous prime is 22345153. The next prime is 22345187. The reversal of 22345164 is 46154322.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-3 number, since 3×22345164³ (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6094 + ... + 9045.

Almost surely, 2^22345164 is an apocalyptic number.

It is an amenable number.

22345164 is an abundant number, since it is smaller than the sum of its proper divisors (35519916).

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

22345164 is a wasteful number, since it uses less digits than its factorization.

22345164 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15190 (or 15185 counting only the distinct ones).

The product of its digits is 5760, while the sum is 27.

The square root of 22345164 is about 4727.0671668594. The cubic root of 22345164 is about 281.6617341355.

Adding to 22345164 its reverse (46154322), we get a palindrome (68499486).

The spelling of 22345164 in words is "twenty-two million, three hundred forty-five thousand, one hundred sixty-four".