228319672 has 16 divisors (see below), whose sum is σ = 489256560. Its totient is φ = 97851264.

The previous prime is 228319669. The next prime is 228319733. The reversal of 228319672 is 276913822.

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, 2038513 + ... + 2038624.

It is an arithmetic number, because the mean of its divisors is an integer number (30578535).

Almost surely, 2^228319672 is an apocalyptic number.

It is an amenable number.

228319672 is an abundant number, since it is smaller than the sum of its proper divisors (260936888).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

228319672 is a wasteful number, since it uses less digits than its factorization.

228319672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4077150 (or 4077146 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 228319672 is about 15110.2505604639. The cubic root of 228319672 is about 611.1968546821.

The spelling of 228319672 in words is "two hundred twenty-eight million, three hundred nineteen thousand, six hundred seventy-two".