22405904597 has 2 divisors, whose sum is σ = 22405904598. Its totient is φ = 22405904596.

The previous prime is 22405904581. The next prime is 22405904611. The reversal of 22405904597 is 79540950422.

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., 22249003921 + 156900676 = 149161^2 + 12526^2 .

It is a cyclic number.

It is not a de Polignac number, because 22405904597 - 2⁴ = 22405904581 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22405904567) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11202952298 + 11202952299.

It is an arithmetic number, because the mean of its divisors is an integer number (11202952299).

Almost surely, 2^22405904597 is an apocalyptic number.

It is an amenable number.

22405904597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22405904597 is an equidigital number, since it uses as much as digits as its factorization.

22405904597 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 22405904597 in words is "twenty-two billion, four hundred five million, nine hundred four thousand, five hundred ninety-seven".