228712960 has 80 divisors (see below), whose sum is σ = 626763456. Its totient is φ = 78409728.

The previous prime is 228712949. The next prime is 228712987. The reversal of 228712960 is 69217822.

It is a tau number, because it is divible by the number of its divisors (80).

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, 11539 + ... + 24301.

Almost surely, 2^228712960 is an apocalyptic number.

228712960 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 228712960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313381728).

228712960 is an abundant number, since it is smaller than the sum of its proper divisors (398050496).

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

228712960 is an equidigital number, since it uses as much as digits as its factorization.

228712960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12793 (or 12777 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 37.

The square root of 228712960 is about 15123.2589080529. The cubic root of 228712960 is about 611.5475888081.

The spelling of 228712960 in words is "two hundred twenty-eight million, seven hundred twelve thousand, nine hundred sixty".