22879165 has 4 divisors (see below), whose sum is σ = 27455004. Its totient is φ = 18303328.

The previous prime is 22879163. The next prime is 22879187. The reversal of 22879165 is 56197822.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 12880921 + 9998244 = 3589^2 + 3162^2 .

It is a cyclic number.

It is not a de Polignac number, because 22879165 - 2¹ = 22879163 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22879163) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2287912 + ... + 2287921.

It is an arithmetic number, because the mean of its divisors is an integer number (6863751).

Almost surely, 2^22879165 is an apocalyptic number.

It is an amenable number.

22879165 is a deficient number, since it is larger than the sum of its proper divisors (4575839).

22879165 is an equidigital number, since it uses as much as digits as its factorization.

22879165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4575838.

The product of its digits is 60480, while the sum is 40.

The square root of 22879165 is about 4783.2170136844. The cubic root of 22879165 is about 283.8877962168.

The spelling of 22879165 in words is "twenty-two million, eight hundred seventy-nine thousand, one hundred sixty-five".