22707909797 has 2 divisors, whose sum is σ = 22707909798. Its totient is φ = 22707909796.

The previous prime is 22707909769. The next prime is 22707909853. The reversal of 22707909797 is 79790970722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 22150666561 + 557243236 = 148831^2 + 23606^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22707909797 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22707902797) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11353954898 + 11353954899.

It is an arithmetic number, because the mean of its divisors is an integer number (11353954899).

Almost surely, 2^22707909797 is an apocalyptic number.

It is an amenable number.

22707909797 is a deficient number, since it is larger than the sum of its proper divisors (1).

22707909797 is an equidigital number, since it uses as much as digits as its factorization.

22707909797 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7001316, while the sum is 59.

The spelling of 22707909797 in words is "twenty-two billion, seven hundred seven million, nine hundred nine thousand, seven hundred ninety-seven".