228161175 has 48 divisors (see below), whose sum is σ = 413223552. Its totient is φ = 110166400.

The previous prime is 228161161. The next prime is 228161189. The reversal of 228161175 is 571161822.

It is an interprime number because it is at equal distance from previous prime (228161161) and next prime (228161189).

It is not a de Polignac number, because 228161175 - 2⁴ = 228161159 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 285877 + ... + 286673.

It is an arithmetic number, because the mean of its divisors is an integer number (8608824).

Almost surely, 2^228161175 is an apocalyptic number.

228161175 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

228161175 is a deficient number, since it is larger than the sum of its proper divisors (185062377).

228161175 is a wasteful number, since it uses less digits than its factorization.

228161175 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1168 (or 1163 counting only the distinct ones).

The product of its digits is 6720, while the sum is 33.

The square root of 228161175 is about 15105.0049652425. The cubic root of 228161175 is about 611.0553932366.

The spelling of 228161175 in words is "two hundred twenty-eight million, one hundred sixty-one thousand, one hundred seventy-five".