22397842097 has 2 divisors, whose sum is σ = 22397842098. Its totient is φ = 22397842096.

The previous prime is 22397842073. The next prime is 22397842111. The reversal of 22397842097 is 79024879322.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13325470096 + 9072372001 = 115436^2 + 95249^2 .

It is a cyclic number.

It is not a de Polignac number, because 22397842097 - 2¹⁰ = 22397841073 is a prime.

It is not a weakly prime, because it can be changed into another prime (22397842007) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11198921048 + 11198921049.

It is an arithmetic number, because the mean of its divisors is an integer number (11198921049).

Almost surely, 2^22397842097 is an apocalyptic number.

It is an amenable number.

22397842097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22397842097 is an equidigital number, since it uses as much as digits as its factorization.

22397842097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 22397842097 in words is "twenty-two billion, three hundred ninety-seven million, eight hundred forty-two thousand, ninety-seven".