228928512 has 44 divisors (see below), whose sum is σ = 610186136. Its totient is φ = 76308480.

The previous prime is 228928501. The next prime is 228928561. The reversal of 228928512 is 215829822.

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, 34189 + ... + 40332.

Almost surely, 2^228928512 is an apocalyptic number.

It is an amenable number.

228928512 is an abundant number, since it is smaller than the sum of its proper divisors (381257624).

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

228928512 is an equidigital number, since it uses as much as digits as its factorization.

228928512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74544 (or 74526 counting only the distinct ones).

The product of its digits is 46080, while the sum is 39.

The square root of 228928512 is about 15130.3837360458. The cubic root of 228928512 is about 611.7396474711.

The spelling of 228928512 in words is "two hundred twenty-eight million, nine hundred twenty-eight thousand, five hundred twelve".