228903830 has 32 divisors (see below), whose sum is σ = 445448160. Its totient is φ = 84395520.

The previous prime is 228903823. The next prime is 228903833. The reversal of 228903830 is 38309822.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228903833) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9251 + ... + 23310.

It is an arithmetic number, because the mean of its divisors is an integer number (13920255).

Almost surely, 2^228903830 is an apocalyptic number.

228903830 is a deficient number, since it is larger than the sum of its proper divisors (216544330).

228903830 is a wasteful number, since it uses less digits than its factorization.

228903830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32624.

The product of its (nonzero) digits is 20736, while the sum is 35.

The square root of 228903830 is about 15129.5680705035. The cubic root of 228903830 is about 611.7176617130.

The spelling of 228903830 in words is "two hundred twenty-eight million, nine hundred three thousand, eight hundred thirty".