230118228 has 18 divisors (see below), whose sum is σ = 581687834. Its totient is φ = 76706064.

The previous prime is 230118223. The next prime is 230118257. The reversal of 230118228 is 822811032.

It can be written as a sum of positive squares in only one way, i.e., 118984464 + 111133764 = 10908^2 + 10542^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230118223) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3196051 + ... + 3196122.

Almost surely, 2^230118228 is an apocalyptic number.

It is an amenable number.

230118228 is an abundant number, since it is smaller than the sum of its proper divisors (351569606).

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

230118228 is a wasteful number, since it uses less digits than its factorization.

230118228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6392183 (or 6392178 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 230118228 is about 15169.6482490531. The cubic root of 230118228 is about 612.7975313035.

The spelling of 230118228 in words is "two hundred thirty million, one hundred eighteen thousand, two hundred twenty-eight".