228363860 has 12 divisors (see below), whose sum is σ = 479564148. Its totient is φ = 91345536.

The previous prime is 228363859. The next prime is 228363871. The reversal of 228363860 is 68363822.

It is a happy number.

228363860 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 32307856 + 196056004 = 5684^2 + 14002^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5709077 + ... + 5709116.

It is an arithmetic number, because the mean of its divisors is an integer number (39963679).

Almost surely, 2^228363860 is an apocalyptic number.

228363860 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228363860 is an abundant number, since it is smaller than the sum of its proper divisors (251200288).

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

228363860 is a wasteful number, since it uses less digits than its factorization.

228363860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11418202 (or 11418200 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 228363860 is about 15111.7126759345. The cubic root of 228363860 is about 611.2362816024.

Subtracting from 228363860 its sum of digits (38), we obtain a palindrome (228363822).

The spelling of 228363860 in words is "two hundred twenty-eight million, three hundred sixty-three thousand, eight hundred sixty".