228003680 has 48 divisors (see below), whose sum is σ = 546724080. Its totient is φ = 89836032.

The previous prime is 228003661. The next prime is 228003707. The reversal of 228003680 is 86300822.

228003680 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86 + ... + 21354.

It is an arithmetic number, because the mean of its divisors is an integer number (11390085).

Almost surely, 2^228003680 is an apocalyptic number.

228003680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228003680, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (273362040).

228003680 is an abundant number, since it is smaller than the sum of its proper divisors (318720400).

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

228003680 is a wasteful number, since it uses less digits than its factorization.

228003680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21351 (or 21343 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 228003680 is about 15099.7907270266. The cubic root of 228003680 is about 610.9147611865.

The spelling of 228003680 in words is "two hundred twenty-eight million, three thousand, six hundred eighty".