228483388 has 48 divisors (see below), whose sum is σ = 464454144. Its totient is φ = 96333120.

The previous prime is 228483337. The next prime is 228483389. The reversal of 228483388 is 883384822.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228483389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 612370 + ... + 612742.

It is an arithmetic number, because the mean of its divisors is an integer number (9676128).

Almost surely, 2^228483388 is an apocalyptic number.

228483388 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

228483388 is an abundant number, since it is smaller than the sum of its proper divisors (235970756).

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

228483388 is a wasteful number, since it uses less digits than its factorization.

228483388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 682 (or 680 counting only the distinct ones).

The product of its digits is 589824, while the sum is 46.

The square root of 228483388 is about 15115.6669717218. Note that the first 3 decimals coincide. The cubic root of 228483388 is about 611.3429054602.

The spelling of 228483388 in words is "two hundred twenty-eight million, four hundred eighty-three thousand, three hundred eighty-eight".