22136164 has 12 divisors (see below), whose sum is σ = 40074300. Its totient is φ = 10686368.

The previous prime is 22136161. The next prime is 22136173. The reversal of 22136164 is 46163122.

It can be written as a sum of positive squares in 2 ways, for example, as 15936064 + 6200100 = 3992^2 + 2490^2 .

It is not an unprimeable number, because it can be changed into a prime (22136161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95299 + ... + 95530.

It is an arithmetic number, because the mean of its divisors is an integer number (3339525).

Almost surely, 2^22136164 is an apocalyptic number.

It is an amenable number.

22136164 is a deficient number, since it is larger than the sum of its proper divisors (17938136).

22136164 is a wasteful number, since it uses less digits than its factorization.

22136164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190862 (or 190860 counting only the distinct ones).

The product of its digits is 1728, while the sum is 25.

The square root of 22136164 is about 4704.9085007043. The cubic root of 22136164 is about 280.7808306922.

Adding to 22136164 its reverse (46163122), we get a palindrome (68299286).

The spelling of 22136164 in words is "twenty-two million, one hundred thirty-six thousand, one hundred sixty-four".