22842564497 has 2 divisors, whose sum is σ = 22842564498. Its totient is φ = 22842564496.

The previous prime is 22842564491. The next prime is 22842564509. The reversal of 22842564497 is 79446524822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18647541136 + 4195023361 = 136556^2 + 64769^2 .

It is a cyclic number.

It is not a de Polignac number, because 22842564497 - 2²² = 22838370193 is a prime.

It is not a weakly prime, because it can be changed into another prime (22842564491) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11421282248 + 11421282249.

It is an arithmetic number, because the mean of its divisors is an integer number (11421282249).

Almost surely, 2^22842564497 is an apocalyptic number.

It is an amenable number.

22842564497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22842564497 is an equidigital number, since it uses as much as digits as its factorization.

22842564497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7741440, while the sum is 53.

The spelling of 22842564497 in words is "twenty-two billion, eight hundred forty-two million, five hundred sixty-four thousand, four hundred ninety-seven".