228887604 has 144 divisors (see below), whose sum is σ = 687960000. Its totient is φ = 63383040.

The previous prime is 228887597. The next prime is 228887621. The reversal of 228887604 is 406788822.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 228887604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 217672 + ... + 218720.

It is an arithmetic number, because the mean of its divisors is an integer number (4777500).

Almost surely, 2^228887604 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 228887604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (343980000).

228887604 is an abundant number, since it is smaller than the sum of its proper divisors (459072396).

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

228887604 is a wasteful number, since it uses less digits than its factorization.

228887604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1118 (or 1113 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 45.

The square root of 228887604 is about 15129.0318262604. The cubic root of 228887604 is about 611.7032073673.

The spelling of 228887604 in words is "two hundred twenty-eight million, eight hundred eighty-seven thousand, six hundred four".