228112177 has 2 divisors, whose sum is σ = 228112178. Its totient is φ = 228112176.

The previous prime is 228112169. The next prime is 228112187. The reversal of 228112177 is 771211822.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 205033761 + 23078416 = 14319^2 + 4804^2 .

It is a cyclic number.

It is not a de Polignac number, because 228112177 - 2³ = 228112169 is a prime.

It is not a weakly prime, because it can be changed into another prime (228112117) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114056088 + 114056089.

It is an arithmetic number, because the mean of its divisors is an integer number (114056089).

Almost surely, 2^228112177 is an apocalyptic number.

It is an amenable number.

228112177 is a deficient number, since it is larger than the sum of its proper divisors (1).

228112177 is an equidigital number, since it uses as much as digits as its factorization.

228112177 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 31.

The square root of 228112177 is about 15103.3829654154. The cubic root of 228112177 is about 611.0116483770.

Adding to 228112177 its reverse (771211822), we get a palindrome (999323999).

The spelling of 228112177 in words is "two hundred twenty-eight million, one hundred twelve thousand, one hundred seventy-seven".