22132505177 has 2 divisors, whose sum is σ = 22132505178. Its totient is φ = 22132505176.

The previous prime is 22132505123. The next prime is 22132505191. The reversal of 22132505177 is 77150523122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 22123885081 + 8620096 = 148741^2 + 2936^2 .

It is a cyclic number.

It is not a de Polignac number, because 22132505177 - 2¹⁴ = 22132488793 is a prime.

It is not a weakly prime, because it can be changed into another prime (22132505677) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11066252588 + 11066252589.

It is an arithmetic number, because the mean of its divisors is an integer number (11066252589).

Almost surely, 2^22132505177 is an apocalyptic number.

It is an amenable number.

22132505177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22132505177 is an equidigital number, since it uses as much as digits as its factorization.

22132505177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 29400, while the sum is 35.

The spelling of 22132505177 in words is "twenty-two billion, one hundred thirty-two million, five hundred five thousand, one hundred seventy-seven".