22077485641 has 2 divisors, whose sum is σ = 22077485642. Its totient is φ = 22077485640.

The previous prime is 22077485629. The next prime is 22077485669. The reversal of 22077485641 is 14658477022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12572015625 + 9505470016 = 112125^2 + 97496^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-22077485641 is a prime.

It is a super-2 number, since 2×22077485641² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 22077485591 and 22077485600.

It is not a weakly prime, because it can be changed into another prime (22077485621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11038742820 + 11038742821.

It is an arithmetic number, because the mean of its divisors is an integer number (11038742821).

Almost surely, 2^22077485641 is an apocalyptic number.

It is an amenable number.

22077485641 is a deficient number, since it is larger than the sum of its proper divisors (1).

22077485641 is an equidigital number, since it uses as much as digits as its factorization.

22077485641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 22077485641 in words is "twenty-two billion, seventy-seven million, four hundred eighty-five thousand, six hundred forty-one".