22529942497 has 2 divisors, whose sum is σ = 22529942498. Its totient is φ = 22529942496.

The previous prime is 22529942483. The next prime is 22529942521. The reversal of 22529942497 is 79424992522.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18934860816 + 3595081681 = 137604^2 + 59959^2 .

It is a cyclic number.

It is not a de Polignac number, because 22529942497 - 2¹⁵ = 22529909729 is a prime.

It is not a weakly prime, because it can be changed into another prime (22529940497) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11264971248 + 11264971249.

It is an arithmetic number, because the mean of its divisors is an integer number (11264971249).

Almost surely, 2^22529942497 is an apocalyptic number.

It is an amenable number.

22529942497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22529942497 is an equidigital number, since it uses as much as digits as its factorization.

22529942497 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6531840, while the sum is 55.

The spelling of 22529942497 in words is "twenty-two billion, five hundred twenty-nine million, nine hundred forty-two thousand, four hundred ninety-seven".