228770048 has 72 divisors (see below), whose sum is σ = 501438168. Its totient is φ = 103514112.

The previous prime is 228770021. The next prime is 228770057. The reversal of 228770048 is 840077822.

It can be written as a sum of positive squares in 4 ways, for example, as 89718784 + 139051264 = 9472^2 + 11792^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228769993 and 228770020.

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, 175736 + ... + 177032.

It is an arithmetic number, because the mean of its divisors is an integer number (6964419).

Almost surely, 2^228770048 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228770048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (250719084).

228770048 is an abundant number, since it is smaller than the sum of its proper divisors (272668120).

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

228770048 is a wasteful number, since it uses less digits than its factorization.

228770048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379 (or 1365 counting only the distinct ones).

The product of its (nonzero) digits is 50176, while the sum is 38.

The square root of 228770048 is about 15125.1462141693. The cubic root of 228770048 is about 611.5984664445.

The spelling of 228770048 in words is "two hundred twenty-eight million, seven hundred seventy thousand, forty-eight".