228474328 has 8 divisors (see below), whose sum is σ = 428389380. Its totient is φ = 114237160.

The previous prime is 228474319. The next prime is 228474331. The reversal of 228474328 is 823474822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14279638 + ... + 14279653.

Almost surely, 2^228474328 is an apocalyptic number.

It is an amenable number.

228474328 is a deficient number, since it is larger than the sum of its proper divisors (199915052).

228474328 is a wasteful number, since it uses less digits than its factorization.

228474328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28559297 (or 28559293 counting only the distinct ones).

The product of its digits is 172032, while the sum is 40.

The square root of 228474328 is about 15115.3672796925. The cubic root of 228474328 is about 611.3348248728.

The spelling of 228474328 in words is "two hundred twenty-eight million, four hundred seventy-four thousand, three hundred twenty-eight".