228779584 has 56 divisors (see below), whose sum is σ = 508699008. Its totient is φ = 101168640.

The previous prime is 228779567. The next prime is 228779599. The reversal of 228779584 is 485977822.

It is a happy number.

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, 21657 + ... + 30439.

Almost surely, 2^228779584 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228779584, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (254349504).

228779584 is an abundant number, since it is smaller than the sum of its proper divisors (279919424).

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

228779584 is a wasteful number, since it uses less digits than its factorization.

228779584 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8843 (or 8833 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 52.

The square root of 228779584 is about 15125.4614475063. The cubic root of 228779584 is about 611.6069642381.

The spelling of 228779584 in words is "two hundred twenty-eight million, seven hundred seventy-nine thousand, five hundred eighty-four".