22024165 has 4 divisors (see below), whose sum is σ = 26429004. Its totient is φ = 17619328.

The previous prime is 22024159. The next prime is 22024183. The reversal of 22024165 is 56142022.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56142022 = 2 ⋅28071011.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 12623809 = 3066^2 + 3553^2 .

It is a cyclic number.

It is not a de Polignac number, because 22024165 - 2³ = 22024157 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2202412 + ... + 2202421.

It is an arithmetic number, because the mean of its divisors is an integer number (6607251).

Almost surely, 2^22024165 is an apocalyptic number.

It is an amenable number.

22024165 is a deficient number, since it is larger than the sum of its proper divisors (4404839).

22024165 is an equidigital number, since it uses as much as digits as its factorization.

22024165 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4404838.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 22024165 is about 4692.9910504922. The cubic root of 22024165 is about 280.3064883746.

Adding to 22024165 its reverse (56142022), we get a palindrome (78166187).

The spelling of 22024165 in words is "twenty-two million, twenty-four thousand, one hundred sixty-five".