228694186 has 8 divisors (see below), whose sum is σ = 392047200. Its totient is φ = 98011788.

The previous prime is 228694171. The next prime is 228694211. The reversal of 228694186 is 681496822.

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

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, 8167636 + ... + 8167663.

It is an arithmetic number, because the mean of its divisors is an integer number (49005900).

Almost surely, 2^228694186 is an apocalyptic number.

228694186 is a deficient number, since it is larger than the sum of its proper divisors (163353014).

228694186 is a wasteful number, since it uses less digits than its factorization.

228694186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16335308.

The product of its digits is 331776, while the sum is 46.

The square root of 228694186 is about 15122.6381957647. The cubic root of 228694186 is about 611.5308553028.

The spelling of 228694186 in words is "two hundred twenty-eight million, six hundred ninety-four thousand, one hundred eighty-six".