228143884 has 6 divisors (see below), whose sum is σ = 399251804. Its totient is φ = 114071940.

The previous prime is 228143879. The next prime is 228143891. The reversal of 228143884 is 488341822.

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 as a sum of consecutive naturals, namely, 28517982 + ... + 28517989.

Almost surely, 2^228143884 is an apocalyptic number.

It is an amenable number.

228143884 is a deficient number, since it is larger than the sum of its proper divisors (171107920).

228143884 is a wasteful number, since it uses less digits than its factorization.

228143884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57035975 (or 57035973 counting only the distinct ones).

The product of its digits is 98304, while the sum is 40.

The square root of 228143884 is about 15104.4325944406. The cubic root of 228143884 is about 611.0399567427.

The spelling of 228143884 in words is "two hundred twenty-eight million, one hundred forty-three thousand, eight hundred eighty-four".