22365765893 has 2 divisors, whose sum is σ = 22365765894. Its totient is φ = 22365765892.

The previous prime is 22365765841. The next prime is 22365765901. The reversal of 22365765893 is 39856756322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22087309924 + 278455969 = 148618^2 + 16687^2 .

It is a cyclic number.

It is not a de Polignac number, because 22365765893 - 2¹⁸ = 22365503749 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22365765293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11182882946 + 11182882947.

It is an arithmetic number, because the mean of its divisors is an integer number (11182882947).

Almost surely, 2^22365765893 is an apocalyptic number.

It is an amenable number.

22365765893 is a deficient number, since it is larger than the sum of its proper divisors (1).

22365765893 is an equidigital number, since it uses as much as digits as its factorization.

22365765893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 16329600, while the sum is 56.

The spelling of 22365765893 in words is "twenty-two billion, three hundred sixty-five million, seven hundred sixty-five thousand, eight hundred ninety-three".