228408804 has 144 divisors (see below), whose sum is σ = 693463680. Its totient is φ = 62622720.

The previous prime is 228408793. The next prime is 228408839. The reversal of 228408804 is 408804822.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 150409 + ... + 151919.

It is an arithmetic number, because the mean of its divisors is an integer number (4815720).

Almost surely, 2^228408804 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 228408804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (346731840).

228408804 is an abundant number, since it is smaller than the sum of its proper divisors (465054876).

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

228408804 is a wasteful number, since it uses less digits than its factorization.

228408804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570 (or 1565 counting only the distinct ones).

The product of its (nonzero) digits is 32768, while the sum is 36.

The square root of 228408804 is about 15113.1996612233. The cubic root of 228408804 is about 611.2763778497.

The spelling of 228408804 in words is "two hundred twenty-eight million, four hundred eight thousand, eight hundred four".