22004252797 has 2 divisors, whose sum is σ = 22004252798. Its totient is φ = 22004252796.

The previous prime is 22004252771. The next prime is 22004252807. The reversal of 22004252797 is 79725240022.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21372685636 + 631567161 = 146194^2 + 25131^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22004252797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22004252707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11002126398 + 11002126399.

It is an arithmetic number, because the mean of its divisors is an integer number (11002126399).

Almost surely, 2^22004252797 is an apocalyptic number.

It is an amenable number.

22004252797 is a deficient number, since it is larger than the sum of its proper divisors (1).

22004252797 is an equidigital number, since it uses as much as digits as its factorization.

22004252797 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 40.

The spelling of 22004252797 in words is "twenty-two billion, four million, two hundred fifty-two thousand, seven hundred ninety-seven".