228743704 has 64 divisors (see below), whose sum is σ = 521674560. Its totient is φ = 91791360.

The previous prime is 228743693. The next prime is 228743719. The reversal of 228743704 is 407347822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 228934 + ... + 229930.

It is an arithmetic number, because the mean of its divisors is an integer number (8151165).

Almost surely, 2^228743704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228743704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260837280).

228743704 is an abundant number, since it is smaller than the sum of its proper divisors (292930856).

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

228743704 is a wasteful number, since it uses less digits than its factorization.

228743704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1268 (or 1264 counting only the distinct ones).

The product of its (nonzero) digits is 75264, while the sum is 37.

The square root of 228743704 is about 15124.2753214823. The cubic root of 228743704 is about 611.5749893494.

The spelling of 228743704 in words is "two hundred twenty-eight million, seven hundred forty-three thousand, seven hundred four".