22650116597 has 2 divisors, whose sum is σ = 22650116598. Its totient is φ = 22650116596.

The previous prime is 22650116539. The next prime is 22650116603. The reversal of 22650116597 is 79561105622.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13903003921 + 8747112676 = 117911^2 + 93526^2 .

It is a cyclic number.

It is not a de Polignac number, because 22650116597 - 2¹⁰ = 22650115573 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22650116197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11325058298 + 11325058299.

It is an arithmetic number, because the mean of its divisors is an integer number (11325058299).

Almost surely, 2^22650116597 is an apocalyptic number.

It is an amenable number.

22650116597 is a deficient number, since it is larger than the sum of its proper divisors (1).

22650116597 is an equidigital number, since it uses as much as digits as its factorization.

22650116597 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 226800, while the sum is 44.

The spelling of 22650116597 in words is "twenty-two billion, six hundred fifty million, one hundred sixteen thousand, five hundred ninety-seven".