228238912 has 42 divisors (see below), whose sum is σ = 497845334. Its totient is φ = 103741440.

The previous prime is 228238897. The next prime is 228238949. The reversal of 228238912 is 219832822.

228238912 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 only one way, i.e., 169624576 + 58614336 = 13024^2 + 7656^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6993 + ... + 22480.

Almost surely, 2^228238912 is an apocalyptic number.

228238912 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

228238912 is an abundant number, since it is smaller than the sum of its proper divisors (269606422).

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

228238912 is a wasteful number, since it uses less digits than its factorization.

228238912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29507 (or 29486 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 228238912 is about 15107.5779660408. The cubic root of 228238912 is about 611.1247831015.

The spelling of 228238912 in words is "two hundred twenty-eight million, two hundred thirty-eight thousand, nine hundred twelve".