228144584 has 32 divisors (see below), whose sum is σ = 443931840. Its totient is φ = 109838400.

The previous prime is 228144577. The next prime is 228144601. The reversal of 228144584 is 485441822.

228144584 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors.

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, 19754 + ... + 29094.

It is an arithmetic number, because the mean of its divisors is an integer number (13872870).

Almost surely, 2^228144584 is an apocalyptic number.

It is an amenable number.

228144584 is a deficient number, since it is larger than the sum of its proper divisors (215787256).

228144584 is a wasteful number, since it uses less digits than its factorization.

228144584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9461 (or 9457 counting only the distinct ones).

The product of its digits is 81920, while the sum is 38.

The square root of 228144584 is about 15104.4557664287. The cubic root of 228144584 is about 611.0405816810.

The spelling of 228144584 in words is "two hundred twenty-eight million, one hundred forty-four thousand, five hundred eighty-four".