It is a happy number.
228318684 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.
It is a congruent number.
It is an unprimeable number.
Almost surely, 2228318684 is an apocalyptic number.
It is an amenable number.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
228318684 is a wasteful number, since it uses less digits than its factorization.
228318684 is an odious number, because the sum of its binary digits is odd.
The square root of 228318684 is about 15110.2178673903. The cubic root of 228318684 is about 611.1959730770.
The spelling of 228318684 in words is "two hundred twenty-eight million, three hundred eighteen thousand, six hundred eighty-four".