22452343517 has 2 divisors, whose sum is σ = 22452343518. Its totient is φ = 22452343516.

The previous prime is 22452343499. The next prime is 22452343541. The reversal of 22452343517 is 71534325422.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20212593241 + 2239750276 = 142171^2 + 47326^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22452343517 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22452343577) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11226171758 + 11226171759.

It is an arithmetic number, because the mean of its divisors is an integer number (11226171759).

Almost surely, 2^22452343517 is an apocalyptic number.

It is an amenable number.

22452343517 is a deficient number, since it is larger than the sum of its proper divisors (1).

22452343517 is an equidigital number, since it uses as much as digits as its factorization.

22452343517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 201600, while the sum is 38.

Adding to 22452343517 its reverse (71534325422), we get a palindrome (93986668939).

The spelling of 22452343517 in words is "twenty-two billion, four hundred fifty-two million, three hundred forty-three thousand, five hundred seventeen".