228542884 has 6 divisors (see below), whose sum is σ = 399950054. Its totient is φ = 114271440.

The previous prime is 228542863. The next prime is 228542891. The reversal of 228542884 is 488245822.

228542884 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 171872100 + 56670784 = 13110^2 + 7528^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 228542884.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28567857 + ... + 28567864.

Almost surely, 2^228542884 is an apocalyptic number.

It is an amenable number.

228542884 is a deficient number, since it is larger than the sum of its proper divisors (171407170).

228542884 is a wasteful number, since it uses less digits than its factorization.

228542884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57135725 (or 57135723 counting only the distinct ones).

The product of its digits is 327680, while the sum is 43.

The square root of 228542884 is about 15117.6348679283. The cubic root of 228542884 is about 611.3959644611.

The spelling of 228542884 in words is "two hundred twenty-eight million, five hundred forty-two thousand, eight hundred eighty-four".