218346230 has 8 divisors (see below), whose sum is σ = 393023232. Its totient is φ = 87338488.

The previous prime is 218346223. The next prime is 218346259. The reversal of 218346230 is 32643812.

218346230 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 218346193 and 218346202.

It is a congruent number.

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, 10917302 + ... + 10917321.

It is an arithmetic number, because the mean of its divisors is an integer number (49127904).

Almost surely, 2^218346230 is an apocalyptic number.

218346230 is a deficient number, since it is larger than the sum of its proper divisors (174677002).

218346230 is a wasteful number, since it uses less digits than its factorization.

218346230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21834630.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 218346230 is about 14776.5432358180. The cubic root of 218346230 is about 602.1646165196.

The spelling of 218346230 in words is "two hundred eighteen million, three hundred forty-six thousand, two hundred thirty".