22726525169 has 2 divisors, whose sum is σ = 22726525170. Its totient is φ = 22726525168.

The previous prime is 22726525141. The next prime is 22726525189. The reversal of 22726525169 is 96152562722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22362211600 + 364313569 = 149540^2 + 19087^2 .

It is a cyclic number.

It is not a de Polignac number, because 22726525169 - 2²⁰ = 22725476593 is a prime.

It is a super-2 number, since 2×22726525169² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22726525189) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11363262584 + 11363262585.

It is an arithmetic number, because the mean of its divisors is an integer number (11363262585).

Almost surely, 2^22726525169 is an apocalyptic number.

It is an amenable number.

22726525169 is a deficient number, since it is larger than the sum of its proper divisors (1).

22726525169 is an equidigital number, since it uses as much as digits as its factorization.

22726525169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 47.

The spelling of 22726525169 in words is "twenty-two billion, seven hundred twenty-six million, five hundred twenty-five thousand, one hundred sixty-nine".