228175169 has 2 divisors, whose sum is σ = 228175170. Its totient is φ = 228175168.

The previous prime is 228175141. The next prime is 228175183. The reversal of 228175169 is 961571822.

228175169 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 155925169 + 72250000 = 12487^2 + 8500^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-228175169 is a prime.

It is a super-2 number, since 2×228175169² = 104127815496357122, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (228175069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114087584 + 114087585.

It is an arithmetic number, because the mean of its divisors is an integer number (114087585).

Almost surely, 2^228175169 is an apocalyptic number.

It is an amenable number.

228175169 is a deficient number, since it is larger than the sum of its proper divisors (1).

228175169 is an equidigital number, since it uses as much as digits as its factorization.

228175169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 41.

The square root of 228175169 is about 15105.4681820856. The cubic root of 228175169 is about 611.0678857715.

The spelling of 228175169 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, one hundred sixty-nine".