228157800 has 96 divisors (see below), whose sum is σ = 761722080. Its totient is φ = 56160000.

The previous prime is 228157781. The next prime is 228157807. The reversal of 228157800 is 8751822.

228157800 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (228157807) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6826 + ... + 22425.

It is an arithmetic number, because the mean of its divisors is an integer number (7934605).

Almost surely, 2^228157800 is an apocalyptic number.

228157800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228157800 is an abundant number, since it is smaller than the sum of its proper divisors (533564280).

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

228157800 is a wasteful number, since it uses less digits than its factorization.

228157800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29283 (or 29274 counting only the distinct ones).

The product of its (nonzero) digits is 8960, while the sum is 33.

The square root of 228157800 is about 15104.8932468919. The cubic root of 228157800 is about 611.0523802757.

The spelling of 228157800 in words is "two hundred twenty-eight million, one hundred fifty-seven thousand, eight hundred".