22130177 has 2 divisors, whose sum is σ = 22130178. Its totient is φ = 22130176.

The previous prime is 22130149. The next prime is 22130179. The reversal of 22130177 is 77103122.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12138256 + 9991921 = 3484^2 + 3161^2 .

It is a cyclic number.

It is not a de Polignac number, because 22130177 - 2⁶ = 22130113 is a prime.

Together with 22130179, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (22130179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11065088 + 11065089.

It is an arithmetic number, because the mean of its divisors is an integer number (11065089).

Almost surely, 2^22130177 is an apocalyptic number.

It is an amenable number.

22130177 is a deficient number, since it is larger than the sum of its proper divisors (1).

22130177 is an equidigital number, since it uses as much as digits as its factorization.

22130177 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 588, while the sum is 23.

The square root of 22130177 is about 4704.2722072601. The cubic root of 22130177 is about 280.7555148575.

Adding to 22130177 its reverse (77103122), we get a palindrome (99233299).

The spelling of 22130177 in words is "twenty-two million, one hundred thirty thousand, one hundred seventy-seven".