228345328 has 20 divisors (see below), whose sum is σ = 442659168. Its totient is φ = 114110720.

The previous prime is 228345323. The next prime is 228345329. The reversal of 228345328 is 823543822.

228345328 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228345323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46008 + ... + 50728.

Almost surely, 2^228345328 is an apocalyptic number.

It is an amenable number.

228345328 is a deficient number, since it is larger than the sum of its proper divisors (214313840).

228345328 is a wasteful number, since it uses less digits than its factorization.

228345328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7752 (or 7746 counting only the distinct ones).

The product of its digits is 92160, while the sum is 37.

The square root of 228345328 is about 15111.0994967276. The cubic root of 228345328 is about 611.2197469703.

The spelling of 228345328 in words is "two hundred twenty-eight million, three hundred forty-five thousand, three hundred twenty-eight".