228942732 has 12 divisors (see below), whose sum is σ = 534199736. Its totient is φ = 76314240.

The previous prime is 228942691. The next prime is 228942743. The reversal of 228942732 is 237249822.

228942732 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

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, 9539269 + ... + 9539292.

Almost surely, 2^228942732 is an apocalyptic number.

It is an amenable number.

228942732 is an abundant number, since it is smaller than the sum of its proper divisors (305257004).

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

228942732 is a wasteful number, since it uses less digits than its factorization.

228942732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19078568 (or 19078566 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 228942732 is about 15130.8536441273. The cubic root of 228942732 is about 611.7523133722.

The spelling of 228942732 in words is "two hundred twenty-eight million, nine hundred forty-two thousand, seven hundred thirty-two".