228811888 has 20 divisors (see below), whose sum is σ = 445650048. Its totient is φ = 113805440.

The previous prime is 228811873. The next prime is 228811937. The reversal of 228811888 is 888118822.

It is a super-3 number, since 3×228811888³ (a number of 26 digits) contains 333 as substring.

It is a nude number because it is divisible by every one of its digits.

It is a zygodrome in base 10.

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 3 ways as a sum of consecutive naturals, for example, 34381 + ... + 40492.

Almost surely, 2^228811888 is an apocalyptic number.

It is an amenable number.

228811888 is a deficient number, since it is larger than the sum of its proper divisors (216838160).

228811888 is a wasteful number, since it uses less digits than its factorization.

228811888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75072 (or 75066 counting only the distinct ones).

The product of its digits is 131072, while the sum is 46.

The square root of 228811888 is about 15126.5292780598. The cubic root of 228811888 is about 611.6357494720.

The spelling of 228811888 in words is "two hundred twenty-eight million, eight hundred eleven thousand, eight hundred eighty-eight".