228368168 has 16 divisors (see below), whose sum is σ = 489360480. Its totient is φ = 97872048.

The previous prime is 228368111. The next prime is 228368197. The reversal of 228368168 is 861863822.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2038946 + ... + 2039057.

It is an arithmetic number, because the mean of its divisors is an integer number (30585030).

Almost surely, 2^228368168 is an apocalyptic number.

228368168 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228368168 is an abundant number, since it is smaller than the sum of its proper divisors (260992312).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228368168 is a wasteful number, since it uses less digits than its factorization.

228368168 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078016 (or 4078012 counting only the distinct ones).

The product of its digits is 221184, while the sum is 44.

The square root of 228368168 is about 15111.8552137056. The cubic root of 228368168 is about 611.2401251606.

The spelling of 228368168 in words is "two hundred twenty-eight million, three hundred sixty-eight thousand, one hundred sixty-eight".