22108774097 has 2 divisors, whose sum is σ = 22108774098. Its totient is φ = 22108774096.

The previous prime is 22108774073. The next prime is 22108774117. The reversal of 22108774097 is 79047780122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13769614336 + 8339159761 = 117344^2 + 91319^2 .

It is a cyclic number.

It is not a de Polignac number, because 22108774097 - 2¹⁶ = 22108708561 is a prime.

It is not a weakly prime, because it can be changed into another prime (22108774067) 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, 11054387048 + 11054387049.

It is an arithmetic number, because the mean of its divisors is an integer number (11054387049).

Almost surely, 2^22108774097 is an apocalyptic number.

It is an amenable number.

22108774097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22108774097 is an equidigital number, since it uses as much as digits as its factorization.

22108774097 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 22108774097 in words is "twenty-two billion, one hundred eight million, seven hundred seventy-four thousand, ninety-seven".