22465169 has 4 divisors (see below), whose sum is σ = 23239860. Its totient is φ = 21690480.

The previous prime is 22465153. The next prime is 22465193. The reversal of 22465169 is 96156422.

It is a happy number.

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 12780625 + 9684544 = 3575^2 + 3112^2 .

It is a cyclic number.

It is not a de Polignac number, because 22465169 - 2⁴ = 22465153 is a prime.

It is a super-2 number, since 2×22465169² = 1009367636397122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22465769) 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, 387302 + ... + 387359.

It is an arithmetic number, because the mean of its divisors is an integer number (5809965).

Almost surely, 2^22465169 is an apocalyptic number.

22465169 is a gapful number since it is divisible by the number (29) formed by its first and last digit.

It is an amenable number.

22465169 is a deficient number, since it is larger than the sum of its proper divisors (774691).

22465169 is an equidigital number, since it uses as much as digits as its factorization.

22465169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774690.

The product of its digits is 25920, while the sum is 35.

The square root of 22465169 is about 4739.7435584639. The cubic root of 22465169 is about 282.1650568687.

The spelling of 22465169 in words is "twenty-two million, four hundred sixty-five thousand, one hundred sixty-nine".