228199404 has 24 divisors (see below), whose sum is σ = 532914480. Its totient is φ = 76002304.

The previous prime is 228199379. The next prime is 228199417. The reversal of 228199404 is 404991822.

228199404 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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, 8092 + ... + 22844.

It is an arithmetic number, because the mean of its divisors is an integer number (22204770).

Almost surely, 2^228199404 is an apocalyptic number.

It is an amenable number.

228199404 is an abundant number, since it is smaller than the sum of its proper divisors (304715076).

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

228199404 is a wasteful number, since it uses less digits than its factorization.

228199404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16049 (or 16047 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 39.

The square root of 228199404 is about 15106.2703537306. The cubic root of 228199404 is about 611.0895193057.

It can be divided in two parts, 22819 and 9404, that added together give a palindrome (32223).

The spelling of 228199404 in words is "two hundred twenty-eight million, one hundred ninety-nine thousand, four hundred four".