228240324 has 144 divisors (see below), whose sum is σ = 654937920. Its totient is φ = 66528000.

The previous prime is 228240307. The next prime is 228240359. The reversal of 228240324 is 423042822.

228240324 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 909199 + ... + 909449.

It is an arithmetic number, because the mean of its divisors is an integer number (4548180).

Almost surely, 2^228240324 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 228240324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (327468960).

228240324 is an abundant number, since it is smaller than the sum of its proper divisors (426697596).

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

228240324 is a wasteful number, since it uses less digits than its factorization.

228240324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 370 (or 365 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 27.

The square root of 228240324 is about 15107.6246974831. The cubic root of 228240324 is about 611.1260433401.

The spelling of 228240324 in words is "two hundred twenty-eight million, two hundred forty thousand, three hundred twenty-four".