228557898 has 24 divisors (see below), whose sum is σ = 505747008. Its totient is φ = 74564712.

The previous prime is 228557891. The next prime is 228557929. The reversal of 228557898 is 898755822.

228557898 is a `hidden beast` number, since 2 + 2 + 8 + 557 + 89 + 8 = 666.

228557898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (228557891) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134236 + ... + 135927.

It is an arithmetic number, because the mean of its divisors is an integer number (21072792).

Almost surely, 2^228557898 is an apocalyptic number.

228557898 is an abundant number, since it is smaller than the sum of its proper divisors (277189110).

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

228557898 is a wasteful number, since it uses less digits than its factorization.

228557898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270218 (or 270215 counting only the distinct ones).

The product of its digits is 3225600, while the sum is 54.

The square root of 228557898 is about 15118.1314321579. The cubic root of 228557898 is about 611.4093526093.

The spelling of 228557898 in words is "two hundred twenty-eight million, five hundred fifty-seven thousand, eight hundred ninety-eight".