22045636897 has 2 divisors, whose sum is σ = 22045636898. Its totient is φ = 22045636896.

The previous prime is 22045636883. The next prime is 22045636909. The reversal of 22045636897 is 79863654022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21637233216 + 408403681 = 147096^2 + 20209^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22045636897 is a prime.

It is not a weakly prime, because it can be changed into another prime (22045636807) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11022818448 + 11022818449.

It is an arithmetic number, because the mean of its divisors is an integer number (11022818449).

Almost surely, 2^22045636897 is an apocalyptic number.

It is an amenable number.

22045636897 is a deficient number, since it is larger than the sum of its proper divisors (1).

22045636897 is an equidigital number, since it uses as much as digits as its factorization.

22045636897 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4354560, while the sum is 52.

The spelling of 22045636897 in words is "twenty-two billion, forty-five million, six hundred thirty-six thousand, eight hundred ninety-seven".