22946809 has 2 divisors, whose sum is σ = 22946810. Its totient is φ = 22946808.

The previous prime is 22946783. The next prime is 22946837. The reversal of 22946809 is 90864922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20475625 + 2471184 = 4525^2 + 1572^2 .

It is a cyclic number.

It is not a de Polignac number, because 22946809 - 2⁷ = 22946681 is a prime.

It is not a weakly prime, because it can be changed into another prime (22946849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11473404 + 11473405.

It is an arithmetic number, because the mean of its divisors is an integer number (11473405).

Almost surely, 2^22946809 is an apocalyptic number.

It is an amenable number.

22946809 is a deficient number, since it is larger than the sum of its proper divisors (1).

22946809 is an equidigital number, since it uses as much as digits as its factorization.

22946809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 22946809 is about 4790.2827682716. The cubic root of 22946809 is about 284.1672995956.

The spelling of 22946809 in words is "twenty-two million, nine hundred forty-six thousand, eight hundred nine".