228227280 has 40 divisors (see below), whose sum is σ = 707505312. Its totient is φ = 60860544.

The previous prime is 228227269. The next prime is 228227333. The reversal of 228227280 is 82722822.

228227280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (40).

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, 475234 + ... + 475713.

Almost surely, 2^228227280 is an apocalyptic number.

228227280 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228227280 is an abundant number, since it is smaller than the sum of its proper divisors (479278032).

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

228227280 is a wasteful number, since it uses less digits than its factorization.

228227280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 950963 (or 950957 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 33.

The square root of 228227280 is about 15107.1929887719. The cubic root of 228227280 is about 611.1144011087.

The spelling of 228227280 in words is "two hundred twenty-eight million, two hundred twenty-seven thousand, two hundred eighty".