22522058681 has 2 divisors, whose sum is σ = 22522058682. Its totient is φ = 22522058680.

The previous prime is 22522058627. The next prime is 22522058707. The reversal of 22522058681 is 18685022522.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 15750250000 + 6771808681 = 125500^2 + 82291^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22522058681 is a prime.

It is a super-2 number, since 2×22522058681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22522058621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11261029340 + 11261029341.

It is an arithmetic number, because the mean of its divisors is an integer number (11261029341).

Almost surely, 2^22522058681 is an apocalyptic number.

It is an amenable number.

22522058681 is a deficient number, since it is larger than the sum of its proper divisors (1).

22522058681 is an equidigital number, since it uses as much as digits as its factorization.

22522058681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 153600, while the sum is 41.

The spelling of 22522058681 in words is "twenty-two billion, five hundred twenty-two million, fifty-eight thousand, six hundred eighty-one".