22676809 has 2 divisors, whose sum is σ = 22676810. Its totient is φ = 22676808.

The previous prime is 22676791. The next prime is 22676833. The reversal of 22676809 is 90867622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16426809 + 6250000 = 4053^2 + 2500^2 .

It is a cyclic number.

It is not a de Polignac number, because 22676809 - 2⁵ = 22676777 is a prime.

It is not a weakly prime, because it can be changed into another prime (22676839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11338404 + 11338405.

It is an arithmetic number, because the mean of its divisors is an integer number (11338405).

Almost surely, 2^22676809 is an apocalyptic number.

It is an amenable number.

22676809 is a deficient number, since it is larger than the sum of its proper divisors (1).

22676809 is an equidigital number, since it uses as much as digits as its factorization.

22676809 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 22676809 is about 4762.0173246220. The cubic root of 22676809 is about 283.0483629217.

The spelling of 22676809 in words is "twenty-two million, six hundred seventy-six thousand, eight hundred nine".