22465769 has 2 divisors, whose sum is σ = 22465770. Its totient is φ = 22465768.

The previous prime is 22465759. The next prime is 22465787. The reversal of 22465769 is 96756422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22090000 + 375769 = 4700^2 + 613^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22465769 is a prime.

It is a super-2 number, since 2×22465769² = 1009421553522722, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (22465739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11232884 + 11232885.

It is an arithmetic number, because the mean of its divisors is an integer number (11232885).

Almost surely, 2^22465769 is an apocalyptic number.

It is an amenable number.

22465769 is a deficient number, since it is larger than the sum of its proper divisors (1).

22465769 is an equidigital number, since it uses as much as digits as its factorization.

22465769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 181440, while the sum is 41.

The square root of 22465769 is about 4739.8068526049. The cubic root of 22465769 is about 282.1675688689.

The spelling of 22465769 in words is "twenty-two million, four hundred sixty-five thousand, seven hundred sixty-nine".