22153164 has 96 divisors (see below), whose sum is σ = 60668160. Its totient is φ = 6272640.

The previous prime is 22153147. The next prime is 22153177. The reversal of 22153164 is 46135122.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 303432 + ... + 303504.

It is an arithmetic number, because the mean of its divisors is an integer number (631960).

Almost surely, 2^22153164 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22153164, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30334080).

22153164 is an abundant number, since it is smaller than the sum of its proper divisors (38514996).

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

22153164 is a wasteful number, since it uses less digits than its factorization.

22153164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 108 counting only the distinct ones).

The product of its digits is 1440, while the sum is 24.

The square root of 22153164 is about 4706.7147778466. The cubic root of 22153164 is about 280.8526897660.

Adding to 22153164 its reverse (46135122), we get a palindrome (68288286).

The spelling of 22153164 in words is "twenty-two million, one hundred fifty-three thousand, one hundred sixty-four".