228725260 has 12 divisors (see below), whose sum is σ = 480323088. Its totient is φ = 91490096.

The previous prime is 228725257. The next prime is 228725267. The reversal of 228725260 is 62527822.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (228725267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5718112 + ... + 5718151.

It is an arithmetic number, because the mean of its divisors is an integer number (40026924).

Almost surely, 2^228725260 is an apocalyptic number.

228725260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228725260 is an abundant number, since it is smaller than the sum of its proper divisors (251597828).

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

228725260 is a wasteful number, since it uses less digits than its factorization.

228725260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11436272 (or 11436270 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 34.

The square root of 228725260 is about 15123.6655609677. The cubic root of 228725260 is about 611.5585514583.

The spelling of 228725260 in words is "two hundred twenty-eight million, seven hundred twenty-five thousand, two hundred sixty".