228683818 has 16 divisors (see below), whose sum is σ = 377071200. Its totient is φ = 103152400.

The previous prime is 228683789. The next prime is 228683827. The reversal of 228683818 is 818386822.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36793 + ... + 42556.

It is an arithmetic number, because the mean of its divisors is an integer number (23566950).

Almost surely, 2^228683818 is an apocalyptic number.

228683818 is a deficient number, since it is larger than the sum of its proper divisors (148387382).

228683818 is a wasteful number, since it uses less digits than its factorization.

228683818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79493.

The product of its digits is 294912, while the sum is 46.

The square root of 228683818 is about 15122.2953945491. The cubic root of 228683818 is about 611.5216137799.

The spelling of 228683818 in words is "two hundred twenty-eight million, six hundred eighty-three thousand, eight hundred eighteen".