22392620561 has 2 divisors, whose sum is σ = 22392620562. Its totient is φ = 22392620560.

The previous prime is 22392620543. The next prime is 22392620671. The reversal of 22392620561 is 16502629322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19914572161 + 2478048400 = 141119^2 + 49780^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22392620561 is a prime.

It is not a weakly prime, because it can be changed into another prime (22392620161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11196310280 + 11196310281.

It is an arithmetic number, because the mean of its divisors is an integer number (11196310281).

Almost surely, 2^22392620561 is an apocalyptic number.

It is an amenable number.

22392620561 is a deficient number, since it is larger than the sum of its proper divisors (1).

22392620561 is an equidigital number, since it uses as much as digits as its factorization.

22392620561 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 77760, while the sum is 38.

The spelling of 22392620561 in words is "twenty-two billion, three hundred ninety-two million, six hundred twenty thousand, five hundred sixty-one".