22160772577 has 2 divisors, whose sum is σ = 22160772578. Its totient is φ = 22160772576.

The previous prime is 22160772541. The next prime is 22160772583. The reversal of 22160772577 is 77527706122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18463646161 + 3697126416 = 135881^2 + 60804^2 .

It is a cyclic number.

It is not a de Polignac number, because 22160772577 - 2²³ = 22152383969 is a prime.

It is not a weakly prime, because it can be changed into another prime (22160772587) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11080386288 + 11080386289.

It is an arithmetic number, because the mean of its divisors is an integer number (11080386289).

Almost surely, 2^22160772577 is an apocalyptic number.

It is an amenable number.

22160772577 is a deficient number, since it is larger than the sum of its proper divisors (1).

22160772577 is an equidigital number, since it uses as much as digits as its factorization.

22160772577 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576240, while the sum is 46.

The spelling of 22160772577 in words is "twenty-two billion, one hundred sixty million, seven hundred seventy-two thousand, five hundred seventy-seven".