22330566497 has 2 divisors, whose sum is σ = 22330566498. Its totient is φ = 22330566496.

The previous prime is 22330566493. The next prime is 22330566499. The reversal of 22330566497 is 79466503322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 21344041216 + 986525281 = 146096^2 + 31409^2 .

It is a cyclic number.

It is not a de Polignac number, because 22330566497 - 2² = 22330566493 is a prime.

Together with 22330566499, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22330566493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11165283248 + 11165283249.

It is an arithmetic number, because the mean of its divisors is an integer number (11165283249).

Almost surely, 2^22330566497 is an apocalyptic number.

It is an amenable number.

22330566497 is a deficient number, since it is larger than the sum of its proper divisors (1).

22330566497 is an equidigital number, since it uses as much as digits as its factorization.

22330566497 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1632960, while the sum is 47.

The spelling of 22330566497 in words is "twenty-two billion, three hundred thirty million, five hundred sixty-six thousand, four hundred ninety-seven".