22797189097 has 2 divisors, whose sum is σ = 22797189098. Its totient is φ = 22797189096.

The previous prime is 22797189089. The next prime is 22797189113. The reversal of 22797189097 is 79098179722.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 18137624976 + 4659564121 = 134676^2 + 68261^2 .

It is a cyclic number.

It is not a de Polignac number, because 22797189097 - 2³ = 22797189089 is a prime.

It is not a weakly prime, because it can be changed into another prime (22797189067) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11398594548 + 11398594549.

It is an arithmetic number, because the mean of its divisors is an integer number (11398594549).

Almost surely, 2^22797189097 is an apocalyptic number.

It is an amenable number.

22797189097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22797189097 is an equidigital number, since it uses as much as digits as its factorization.

22797189097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 8001504, while the sum is 61.

The spelling of 22797189097 in words is "twenty-two billion, seven hundred ninety-seven million, one hundred eighty-nine thousand, ninety-seven".