230872228 has 12 divisors (see below), whose sum is σ = 404274780. Its totient is φ = 115365152.

The previous prime is 230872199. The next prime is 230872241. The reversal of 230872228 is 822278032.

It can be written as a sum of positive squares in 2 ways, for example, as 88021924 + 142850304 = 9382^2 + 11952^2 .

It is a junction number, because it is equal to n+sod(n) for n = 230872193 and 230872202.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10051 + ... + 23722.

It is an arithmetic number, because the mean of its divisors is an integer number (33689565).

Almost surely, 2^230872228 is an apocalyptic number.

It is an amenable number.

230872228 is a deficient number, since it is larger than the sum of its proper divisors (173402552).

230872228 is a wasteful number, since it uses less digits than its factorization.

230872228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35486 (or 35484 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 34.

The square root of 230872228 is about 15194.4801819608. The cubic root of 230872228 is about 613.4660943179.

The spelling of 230872228 in words is "two hundred thirty million, eight hundred seventy-two thousand, two hundred twenty-eight".