22266117077 has 2 divisors, whose sum is σ = 22266117078. Its totient is φ = 22266117076.

The previous prime is 22266117053. The next prime is 22266117091. The reversal of 22266117077 is 77071166222.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 19468341841 + 2797775236 = 139529^2 + 52894^2 .

It is a cyclic number.

It is not a de Polignac number, because 22266117077 - 2²⁶ = 22199008213 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22266117017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11133058538 + 11133058539.

It is an arithmetic number, because the mean of its divisors is an integer number (11133058539).

Almost surely, 2^22266117077 is an apocalyptic number.

It is an amenable number.

22266117077 is a deficient number, since it is larger than the sum of its proper divisors (1).

22266117077 is an equidigital number, since it uses as much as digits as its factorization.

22266117077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 98784, while the sum is 41.

The spelling of 22266117077 in words is "twenty-two billion, two hundred sixty-six million, one hundred seventeen thousand, seventy-seven".