228405300 has 36 divisors (see below), whose sum is σ = 660853536. Its totient is φ = 60908000.

The previous prime is 228405299. The next prime is 228405313. The reversal of 228405300 is 3504822.

228405300 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 380376 + ... + 380975.

Almost surely, 2^228405300 is an apocalyptic number.

228405300 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228405300 is an abundant number, since it is smaller than the sum of its proper divisors (432448236).

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

228405300 is a wasteful number, since it uses less digits than its factorization.

228405300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761368 (or 761361 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 228405300 is about 15113.0837356246. The cubic root of 228405300 is about 611.2732519875.

The spelling of 228405300 in words is "two hundred twenty-eight million, four hundred five thousand, three hundred".