22790202689 has 2 divisors, whose sum is σ = 22790202690. Its totient is φ = 22790202688.

The previous prime is 22790202679. The next prime is 22790202691. The reversal of 22790202689 is 98620209722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 16772322064 + 6017880625 = 129508^2 + 77575^2 .

It is a cyclic number.

It is not a de Polignac number, because 22790202689 - 2⁸ = 22790202433 is a prime.

Together with 22790202691, 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 (22790202649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11395101344 + 11395101345.

It is an arithmetic number, because the mean of its divisors is an integer number (11395101345).

Almost surely, 2^22790202689 is an apocalyptic number.

It is an amenable number.

22790202689 is a deficient number, since it is larger than the sum of its proper divisors (1).

22790202689 is an equidigital number, since it uses as much as digits as its factorization.

22790202689 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 435456, while the sum is 47.

The spelling of 22790202689 in words is "twenty-two billion, seven hundred ninety million, two hundred two thousand, six hundred eighty-nine".