22764416641 has 2 divisors, whose sum is σ = 22764416642. Its totient is φ = 22764416640.

The previous prime is 22764416621. The next prime is 22764416659. The reversal of 22764416641 is 14661446722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21002096241 + 1762320400 = 144921^2 + 41980^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22764416641 is a prime.

It is not a weakly prime, because it can be changed into another prime (22764416621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11382208320 + 11382208321.

It is an arithmetic number, because the mean of its divisors is an integer number (11382208321).

Almost surely, 2^22764416641 is an apocalyptic number.

It is an amenable number.

22764416641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22764416641 is an equidigital number, since it uses as much as digits as its factorization.

22764416641 is an evil number, because the sum of its binary digits is even.

The product of its digits is 387072, while the sum is 43.

The spelling of 22764416641 in words is "twenty-two billion, seven hundred sixty-four million, four hundred sixteen thousand, six hundred forty-one".