228833478 has 32 divisors (see below), whose sum is σ = 513565920. Its totient is φ = 75520800.

The previous prime is 228833477. The next prime is 228833491. The reversal of 228833478 is 874338822.

228833478 is a `hidden beast` number, since 228 + 83 + 347 + 8 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (228833477) 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, 15525 + ... + 26432.

It is an arithmetic number, because the mean of its divisors is an integer number (16048935).

Almost surely, 2^228833478 is an apocalyptic number.

228833478 is an abundant number, since it is smaller than the sum of its proper divisors (284732442).

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

228833478 is a wasteful number, since it uses less digits than its factorization.

228833478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42069 (or 42063 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 228833478 is about 15127.2429080781. The cubic root of 228833478 is about 611.6549862355.

The spelling of 228833478 in words is "two hundred twenty-eight million, eight hundred thirty-three thousand, four hundred seventy-eight".