228175618 has 16 divisors (see below), whose sum is σ = 373858560. Its totient is φ = 103582800.

The previous prime is 228175613. The next prime is 228175627. The reversal of 228175618 is 816571822.

228175618 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×228175618² = 104128225299363848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (228175613) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11983 + ... + 24493.

It is an arithmetic number, because the mean of its divisors is an integer number (23366160).

Almost surely, 2^228175618 is an apocalyptic number.

228175618 is a deficient number, since it is larger than the sum of its proper divisors (145682942).

228175618 is a wasteful number, since it uses less digits than its factorization.

228175618 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13353.

The product of its digits is 53760, while the sum is 40.

The square root of 228175618 is about 15105.4830442459. The cubic root of 228175618 is about 611.0682865883.

The spelling of 228175618 in words is "two hundred twenty-eight million, one hundred seventy-five thousand, six hundred eighteen".