228824840 has 16 divisors (see below), whose sum is σ = 514855980. Its totient is φ = 91529920.

The previous prime is 228824839. The next prime is 228824881. The reversal of 228824840 is 48428822.

It is a happy number.

228824840 is digitally balanced in base 3, 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 227828836 + 996004 = 15094^2 + 998^2 .

It is a junction number, because it is equal to n+sod(n) for n = 228824794 and 228824803.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2860271 + ... + 2860350.

Almost surely, 2^228824840 is an apocalyptic number.

228824840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228824840 is an abundant number, since it is smaller than the sum of its proper divisors (286031140).

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

228824840 is a wasteful number, since it uses less digits than its factorization.

228824840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5720632 (or 5720628 counting only the distinct ones).

The product of its (nonzero) digits is 65536, while the sum is 38.

The square root of 228824840 is about 15126.9573940036. The cubic root of 228824840 is about 611.6472898933.

The spelling of 228824840 in words is "two hundred twenty-eight million, eight hundred twenty-four thousand, eight hundred forty".