22241053905617 has 2 divisors, whose sum is σ = 22241053905618. Its totient is φ = 22241053905616.

The previous prime is 22241053905593. The next prime is 22241053905739. The reversal of 22241053905617 is 71650935014222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21492273472576 + 748780433041 = 4635976^2 + 865321^2 .

It is a cyclic number.

It is not a de Polignac number, because 22241053905617 - 2⁸ = 22241053905361 is a prime.

It is a super-2 number, since 2×22241053905617² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22241050905617) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120526952808 + 11120526952809.

It is an arithmetic number, because the mean of its divisors is an integer number (11120526952809).

Almost surely, 2^{22241053905617} is an apocalyptic number.

It is an amenable number.

22241053905617 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241053905617 is an equidigital number, since it uses as much as digits as its factorization.

22241053905617 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 47.

Adding to 22241053905617 its reverse (71650935014222), we get a palindrome (93891988919839).

The spelling of 22241053905617 in words is "twenty-two trillion, two hundred forty-one billion, fifty-three million, nine hundred five thousand, six hundred seventeen".