22056165 has 32 divisors (see below), whose sum is σ = 39456000. Its totient is φ = 11689920.

The previous prime is 22056163. The next prime is 22056173. The reversal of 22056165 is 56165022.

It is not a de Polignac number, because 22056165 - 2¹ = 22056163 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22056163) 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 31 ways as a sum of consecutive naturals, for example, 26455 + ... + 27275.

It is an arithmetic number, because the mean of its divisors is an integer number (1233000).

Almost surely, 2^22056165 is an apocalyptic number.

It is an amenable number.

22056165 is a deficient number, since it is larger than the sum of its proper divisors (17399835).

22056165 is a wasteful number, since it uses less digits than its factorization.

22056165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1034 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 22056165 is about 4696.3991525423. The cubic root of 22056165 is about 280.4421797376.

The spelling of 22056165 in words is "twenty-two million, fifty-six thousand, one hundred sixty-five".