22764314809 has 2 divisors, whose sum is σ = 22764314810. Its totient is φ = 22764314808.

The previous prime is 22764314803. The next prime is 22764314819. The reversal of 22764314809 is 90841346722.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 17351475625 + 5412839184 = 131725^2 + 73572^2 .

It is a cyclic number.

It is not a de Polignac number, because 22764314809 - 2⁹ = 22764314297 is a prime.

It is not a weakly prime, because it can be changed into another prime (22764314803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382157404 + 11382157405.

It is an arithmetic number, because the mean of its divisors is an integer number (11382157405).

Almost surely, 2^22764314809 is an apocalyptic number.

It is an amenable number.

22764314809 is a deficient number, since it is larger than the sum of its proper divisors (1).

22764314809 is an equidigital number, since it uses as much as digits as its factorization.

22764314809 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 580608, while the sum is 46.

The spelling of 22764314809 in words is "twenty-two billion, seven hundred sixty-four million, three hundred fourteen thousand, eight hundred nine".