22099128697 has 2 divisors, whose sum is σ = 22099128698. Its totient is φ = 22099128696.

The previous prime is 22099128683. The next prime is 22099128707. The reversal of 22099128697 is 79682199022.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 20936932416 + 1162196281 = 144696^2 + 34091^2 .

It is a cyclic number.

It is not a de Polignac number, because 22099128697 - 2¹⁵ = 22099095929 is a prime.

It is not a weakly prime, because it can be changed into another prime (22099128607) 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, 11049564348 + 11049564349.

It is an arithmetic number, because the mean of its divisors is an integer number (11049564349).

Almost surely, 2^22099128697 is an apocalyptic number.

It is an amenable number.

22099128697 is a deficient number, since it is larger than the sum of its proper divisors (1).

22099128697 is an equidigital number, since it uses as much as digits as its factorization.

22099128697 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 55.

The spelling of 22099128697 in words is "twenty-two billion, ninety-nine million, one hundred twenty-eight thousand, six hundred ninety-seven".