228142804 has 12 divisors (see below), whose sum is σ = 420263200. Its totient is φ = 108067608.

The previous prime is 228142753. The next prime is 228142829. The reversal of 228142804 is 408241822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1500864 + ... + 1501015.

Almost surely, 2^228142804 is an apocalyptic number.

It is an amenable number.

228142804 is a deficient number, since it is larger than the sum of its proper divisors (192120396).

228142804 is a wasteful number, since it uses less digits than its factorization.

228142804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3001902 (or 3001900 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 31.

The square root of 228142804 is about 15104.3968433036. The cubic root of 228142804 is about 611.0389925498.

The spelling of 228142804 in words is "two hundred twenty-eight million, one hundred forty-two thousand, eight hundred four".