22764337861 has 2 divisors, whose sum is σ = 22764337862. Its totient is φ = 22764337860.

The previous prime is 22764337831. The next prime is 22764337891. The reversal of 22764337861 is 16873346722.

It is a balanced prime because it is at equal distance from previous prime (22764337831) and next prime (22764337891).

It can be written as a sum of positive squares in only one way, i.e., 18932108836 + 3832229025 = 137594^2 + 61905^2 .

It is a cyclic number.

It is not a de Polignac number, because 22764337861 - 2⁵ = 22764337829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22764337831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382168930 + 11382168931.

It is an arithmetic number, because the mean of its divisors is an integer number (11382168931).

Almost surely, 2^22764337861 is an apocalyptic number.

It is an amenable number.

22764337861 is a deficient number, since it is larger than the sum of its proper divisors (1).

22764337861 is an equidigital number, since it uses as much as digits as its factorization.

22764337861 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2032128, while the sum is 49.

The spelling of 22764337861 in words is "twenty-two billion, seven hundred sixty-four million, three hundred thirty-seven thousand, eight hundred sixty-one".