22660165 has 16 divisors (see below), whose sum is σ = 30689280. Its totient is φ = 15910720.

The previous prime is 22660087. The next prime is 22660177. The reversal of 22660165 is 56106622.

22660165 = T₂₀₆ + T₂₀₇ + ... + T₅₂₄.

It is not a de Polignac number, because 22660165 - 2¹⁹ = 22135877 is a prime.

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 15 ways as a sum of consecutive naturals, for example, 5509 + ... + 8698.

It is an arithmetic number, because the mean of its divisors is an integer number (1918080).

Almost surely, 2^22660165 is an apocalyptic number.

It is an amenable number.

22660165 is a deficient number, since it is larger than the sum of its proper divisors (8029115).

22660165 is a wasteful number, since it uses less digits than its factorization.

22660165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14252.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 22660165 is about 4760.2694251481. The cubic root of 22660165 is about 282.9790967092.

Adding to 22660165 its reverse (56106622), we get a palindrome (78766787).

The spelling of 22660165 in words is "twenty-two million, six hundred sixty thousand, one hundred sixty-five".