228903168 has 144 divisors (see below), whose sum is σ = 665493696. Its totient is φ = 69427200.

The previous prime is 228903151. The next prime is 228903179. The reversal of 228903168 is 861309822.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 1008271 + ... + 1008497.

It is an arithmetic number, because the mean of its divisors is an integer number (4621484).

Almost surely, 2^228903168 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 228903168, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332746848).

228903168 is an abundant number, since it is smaller than the sum of its proper divisors (436590528).

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

228903168 is a wasteful number, since it uses less digits than its factorization.

228903168 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 360 (or 346 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 228903168 is about 15129.5461927977. The cubic root of 228903168 is about 611.7170720076.

The spelling of 228903168 in words is "two hundred twenty-eight million, nine hundred three thousand, one hundred sixty-eight".