22248240317 has 2 divisors, whose sum is σ = 22248240318. Its totient is φ = 22248240316.

The previous prime is 22248240251. The next prime is 22248240319. The reversal of 22248240317 is 71304284222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 17979055396 + 4269184921 = 134086^2 + 65339^2 .

It is a cyclic number.

It is not a de Polignac number, because 22248240317 - 2⁸ = 22248240061 is a prime.

Together with 22248240319, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22248240319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11124120158 + 11124120159.

It is an arithmetic number, because the mean of its divisors is an integer number (11124120159).

Almost surely, 2^22248240317 is an apocalyptic number.

It is an amenable number.

22248240317 is a deficient number, since it is larger than the sum of its proper divisors (1).

22248240317 is an equidigital number, since it uses as much as digits as its factorization.

22248240317 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 43008, while the sum is 35.

The spelling of 22248240317 in words is "twenty-two billion, two hundred forty-eight million, two hundred forty thousand, three hundred seventeen".