228875328 has 112 divisors (see below), whose sum is σ = 734080320. Its totient is φ = 69350400.

The previous prime is 228875327. The next prime is 228875329. The reversal of 228875328 is 823578822.

It is an interprime number because it is at equal distance from previous prime (228875327) and next prime (228875329).

It is not an unprimeable number, because it can be changed into a prime (228875321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12988 + ... + 25028.

Almost surely, 2^228875328 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228875328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367040160).

228875328 is an abundant number, since it is smaller than the sum of its proper divisors (505204992).

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

228875328 is a wasteful number, since it uses less digits than its factorization.

228875328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12073 (or 12057 counting only the distinct ones).

The product of its digits is 430080, while the sum is 45.

The square root of 228875328 is about 15128.6261107875. The cubic root of 228875328 is about 611.6922712823.

The spelling of 228875328 in words is "two hundred twenty-eight million, eight hundred seventy-five thousand, three hundred twenty-eight".