228333900 has 36 divisors (see below), whose sum is σ = 660646952. Its totient is φ = 60888960.

The previous prime is 228333899. The next prime is 228333929. The reversal of 228333900 is 9333822.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 380257 + ... + 380856.

Almost surely, 2^228333900 is an apocalyptic number.

228333900 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228333900 is an abundant number, since it is smaller than the sum of its proper divisors (432313052).

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

228333900 is a wasteful number, since it uses less digits than its factorization.

228333900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761130 (or 761123 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 228333900 is about 15110.7213593528. The cubic root of 228333900 is about 611.2095502275.

The spelling of 228333900 in words is "two hundred twenty-eight million, three hundred thirty-three thousand, nine hundred".