230222128 has 20 divisors (see below), whose sum is σ = 450656920. Its totient is φ = 113923584.

The previous prime is 230222119. The next prime is 230222149. The reversal of 230222128 is 821222032.

It is a happy number.

230222128 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 230222099 and 230222108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 72618 + ... + 75721.

It is an arithmetic number, because the mean of its divisors is an integer number (22532846).

Almost surely, 2^230222128 is an apocalyptic number.

It is an amenable number.

230222128 is a deficient number, since it is larger than the sum of its proper divisors (220434792).

230222128 is a wasteful number, since it uses less digits than its factorization.

230222128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 148444 (or 148438 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 230222128 is about 15173.0724640727. The cubic root of 230222128 is about 612.8897448930.

The spelling of 230222128 in words is "two hundred thirty million, two hundred twenty-two thousand, one hundred twenty-eight".