228305700 has 324 divisors, whose sum is σ = 864444672. Its totient is φ = 50198400.

The previous prime is 228305689. The next prime is 228305717. The reversal of 228305700 is 7503822.

228305700 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 107 ways as a sum of consecutive naturals, for example, 1367017 + ... + 1367183.

Almost surely, 2^228305700 is an apocalyptic number.

228305700 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228305700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432222336).

228305700 is an abundant number, since it is smaller than the sum of its proper divisors (636138972).

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

228305700 is a wasteful number, since it uses less digits than its factorization.

228305700 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 232 (or 215 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 228305700 is about 15109.7882182379. The cubic root of 228305700 is about 611.1843870506.

The spelling of 228305700 in words is "two hundred twenty-eight million, three hundred five thousand, seven hundred".