22826311681 has 2 divisors, whose sum is σ = 22826311682. Its totient is φ = 22826311680.

The previous prime is 22826311663. The next prime is 22826311741. The reversal of 22826311681 is 18611362822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15044249025 + 7782062656 = 122655^2 + 88216^2 .

It is a cyclic number.

It is not a de Polignac number, because 22826311681 - 2¹¹ = 22826309633 is a prime.

It is a super-2 number, since 2×22826311681² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (22826312681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11413155840 + 11413155841.

It is an arithmetic number, because the mean of its divisors is an integer number (11413155841).

Almost surely, 2^22826311681 is an apocalyptic number.

It is an amenable number.

22826311681 is a deficient number, since it is larger than the sum of its proper divisors (1).

22826311681 is an equidigital number, since it uses as much as digits as its factorization.

22826311681 is an evil number, because the sum of its binary digits is even.

The product of its digits is 55296, while the sum is 40.

The spelling of 22826311681 in words is "twenty-two billion, eight hundred twenty-six million, three hundred eleven thousand, six hundred eighty-one".