2022165 has 20 divisors (see below), whose sum is σ = 3625644. Its totient is φ = 1078272.

The previous prime is 2022157. The next prime is 2022187. The reversal of 2022165 is 5612202.

It can be written as a sum of positive squares in 2 ways, for example, as 715716 + 1306449 = 846^2 + 1143^2 .

It is not a de Polignac number, because 2022165 - 2³ = 2022157 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 19 ways as a sum of consecutive naturals, for example, 2092 + ... + 2901.

2^2022165 is an apocalyptic number.

It is an amenable number.

2022165 is a deficient number, since it is larger than the sum of its proper divisors (1603479).

2022165 is an equidigital number, since it uses as much as digits as its factorization.

2022165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5010 (or 5001 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 2022165 is about 1422.0284807274. The cubic root of 2022165 is about 126.4558319351.

Adding to 2022165 its reverse (5612202), we get a palindrome (7634367).

It can be divided in two parts, 2022 and 165, that added together give a 7-th power (2187 = 3⁷).

The spelling of 2022165 in words is "two million, twenty-two thousand, one hundred sixty-five".