22786375681 has 2 divisors, whose sum is σ = 22786375682. Its totient is φ = 22786375680.

The previous prime is 22786375643. The next prime is 22786375691. The reversal of 22786375681 is 18657368722.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22244231025 + 542144656 = 149145^2 + 23284^2 .

It is a cyclic number.

It is not a de Polignac number, because 22786375681 - 2⁹ = 22786375169 is a prime.

It is a super-2 number, since 2×22786375681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22786375691) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11393187840 + 11393187841.

It is an arithmetic number, because the mean of its divisors is an integer number (11393187841).

Almost surely, 2^22786375681 is an apocalyptic number.

It is an amenable number.

22786375681 is a deficient number, since it is larger than the sum of its proper divisors (1).

22786375681 is an equidigital number, since it uses as much as digits as its factorization.

22786375681 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6773760, while the sum is 55.

The spelling of 22786375681 in words is "twenty-two billion, seven hundred eighty-six million, three hundred seventy-five thousand, six hundred eighty-one".