22023165 has 8 divisors (see below), whose sum is σ = 35237088. Its totient is φ = 11745680.

The previous prime is 22023163. The next prime is 22023179. The reversal of 22023165 is 56132022.

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

It is not a de Polignac number, because 22023165 - 2¹ = 22023163 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023163) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 734091 + ... + 734120.

It is an arithmetic number, because the mean of its divisors is an integer number (4404636).

Almost surely, 2^22023165 is an apocalyptic number.

It is an amenable number.

22023165 is a deficient number, since it is larger than the sum of its proper divisors (13213923).

22023165 is a wasteful number, since it uses less digits than its factorization.

22023165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468219.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 22023165 is about 4692.8845074218. The cubic root of 22023165 is about 280.3022459023.

Adding to 22023165 its reverse (56132022), we get a palindrome (78155187).

The spelling of 22023165 in words is "twenty-two million, twenty-three thousand, one hundred sixty-five".