228158884 has 12 divisors (see below), whose sum is σ = 412158208. Its totient is φ = 110399400.

The previous prime is 228158881. The next prime is 228158893. The reversal of 228158884 is 488851822.

It is a hoax number, since the sum of its digits (46) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (228158881) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 919872 + ... + 920119.

Almost surely, 2^228158884 is an apocalyptic number.

It is an amenable number.

228158884 is a deficient number, since it is larger than the sum of its proper divisors (183999324).

228158884 is a wasteful number, since it uses less digits than its factorization.

228158884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1840026 (or 1840024 counting only the distinct ones).

The product of its digits is 327680, while the sum is 46.

The square root of 228158884 is about 15104.9291292611. The cubic root of 228158884 is about 611.0533479973.

The spelling of 228158884 in words is "two hundred twenty-eight million, one hundred fifty-eight thousand, eight hundred eighty-four".