22217475097 has 2 divisors, whose sum is σ = 22217475098. Its totient is φ = 22217475096.

The previous prime is 22217475053. The next prime is 22217475107. The reversal of 22217475097 is 79057471222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18134392896 + 4083082201 = 134664^2 + 63899^2 .

It is a cyclic number.

It is not a de Polignac number, because 22217475097 - 2²³ = 22209086489 is a prime.

It is not a weakly prime, because it can be changed into another prime (22217475037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11108737548 + 11108737549.

It is an arithmetic number, because the mean of its divisors is an integer number (11108737549).

Almost surely, 2^22217475097 is an apocalyptic number.

It is an amenable number.

22217475097 is a deficient number, since it is larger than the sum of its proper divisors (1).

22217475097 is an equidigital number, since it uses as much as digits as its factorization.

22217475097 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 493920, while the sum is 46.

The spelling of 22217475097 in words is "twenty-two billion, two hundred seventeen million, four hundred seventy-five thousand, ninety-seven".