228557160 has 256 divisors, whose sum is σ = 835430400. Its totient is φ = 55240704.

The previous prime is 228557113. The next prime is 228557227. The reversal of 228557160 is 61755822.

It is a happy number.

228557160 is a `hidden beast` number, since 2 + 2 + 85 + 571 + 6 + 0 = 666.

228557160 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1024809 + ... + 1025031.

It is an arithmetic number, because the mean of its divisors is an integer number (3263400).

Almost surely, 2^228557160 is an apocalyptic number.

228557160 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 228557160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (417715200).

228557160 is an abundant number, since it is smaller than the sum of its proper divisors (606873240).

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

228557160 is a wasteful number, since it uses less digits than its factorization.

228557160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329 (or 319 counting only the distinct ones).

The product of its (nonzero) digits is 33600, while the sum is 36.

The square root of 228557160 is about 15118.1070243599. The cubic root of 228557160 is about 611.4086945404.

The spelling of 228557160 in words is "two hundred twenty-eight million, five hundred fifty-seven thousand, one hundred sixty".