228410280 has 256 divisors, whose sum is σ = 883238400. Its totient is φ = 52068096.

The previous prime is 228410279. The next prime is 228410323. The reversal of 228410280 is 82014822.

228410280 is a `hidden beast` number, since 228 + 410 + 28 + 0 = 666.

228410280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 612174 + ... + 612546.

It is an arithmetic number, because the mean of its divisors is an integer number (3450150).

Almost surely, 2^228410280 is an apocalyptic number.

228410280 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 228410280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (441619200).

228410280 is an abundant number, since it is smaller than the sum of its proper divisors (654828120).

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

228410280 is an equidigital number, since it uses as much as digits as its factorization.

228410280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 412 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 27.

The square root of 228410280 is about 15113.2484926306. The cubic root of 228410280 is about 611.2776945561.

The spelling of 228410280 in words is "two hundred twenty-eight million, four hundred ten thousand, two hundred eighty".