228835880 has 128 divisors (see below), whose sum is σ = 647136000. Its totient is φ = 72366336.

The previous prime is 228835847. The next prime is 228835891. The reversal of 228835880 is 88538822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 177719 + ... + 179001.

It is an arithmetic number, because the mean of its divisors is an integer number (5055750).

Almost surely, 2^228835880 is an apocalyptic number.

228835880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228835880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (323568000).

228835880 is an abundant number, since it is smaller than the sum of its proper divisors (418300120).

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

228835880 is a wasteful number, since it uses less digits than its factorization.

228835880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328 (or 1310 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 44.

The square root of 228835880 is about 15127.3223010551. The cubic root of 228835880 is about 611.6571263508.

The spelling of 228835880 in words is "two hundred twenty-eight million, eight hundred thirty-five thousand, eight hundred eighty".