228331260 has 72 divisors (see below), whose sum is σ = 694105776. Its totient is φ = 60756480.

The previous prime is 228331253. The next prime is 228331277. The reversal of 228331260 is 62133822.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 104580 + ... + 106740.

It is an arithmetic number, because the mean of its divisors is an integer number (9640358).

Almost surely, 2^228331260 is an apocalyptic number.

228331260 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228331260 is an abundant number, since it is smaller than the sum of its proper divisors (465774516).

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

228331260 is a wasteful number, since it uses less digits than its factorization.

228331260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2763 (or 2758 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 228331260 is about 15110.6340039060. The cubic root of 228331260 is about 611.2071946137.

The spelling of 228331260 in words is "two hundred twenty-eight million, three hundred thirty-one thousand, two hundred sixty".