228173858 has 16 divisors (see below), whose sum is σ = 374587200. Its totient is φ = 103378800.

The previous prime is 228173843. The next prime is 228173863. The reversal of 228173858 is 858371822.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9833 + ... + 23516.

It is an arithmetic number, because the mean of its divisors is an integer number (23411700).

Almost surely, 2^228173858 is an apocalyptic number.

228173858 is a deficient number, since it is larger than the sum of its proper divisors (146413342).

228173858 is a wasteful number, since it uses less digits than its factorization.

228173858 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33673.

The product of its digits is 215040, while the sum is 44.

The square root of 228173858 is about 15105.4247871419. The cubic root of 228173858 is about 611.0667154550.

The spelling of 228173858 in words is "two hundred twenty-eight million, one hundred seventy-three thousand, eight hundred fifty-eight".