22153165 has 8 divisors (see below), whose sum is σ = 26611200. Its totient is φ = 17704272.

The previous prime is 22153147. The next prime is 22153177. The reversal of 22153165 is 56135122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 22153165 - 2¹¹ = 22151117 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5412 + ... + 8578.

It is an arithmetic number, because the mean of its divisors is an integer number (3326400).

Almost surely, 2^22153165 is an apocalyptic number.

It is an amenable number.

22153165 is a deficient number, since it is larger than the sum of its proper divisors (4458035).

22153165 is a wasteful number, since it uses less digits than its factorization.

22153165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4571.

The product of its digits is 1800, while the sum is 25.

The square root of 22153165 is about 4706.7148840779. The cubic root of 22153165 is about 280.8526939919.

Adding to 22153165 its reverse (56135122), we get a palindrome (78288287).

The spelling of 22153165 in words is "twenty-two million, one hundred fifty-three thousand, one hundred sixty-five".