228444306 has 8 divisors (see below), whose sum is σ = 456888624. Its totient is φ = 76148100.

The previous prime is 228444269. The next prime is 228444311. The reversal of 228444306 is 603444822.

228444306 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

228444306 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19037020 + ... + 19037031.

It is an arithmetic number, because the mean of its divisors is an integer number (57111078).

Almost surely, 2^228444306 is an apocalyptic number.

228444306 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

228444306 is a wasteful number, since it uses less digits than its factorization.

228444306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38074056.

The product of its (nonzero) digits is 36864, while the sum is 33.

The square root of 228444306 is about 15114.3741517802. The cubic root of 228444306 is about 611.3080468124.

The spelling of 228444306 in words is "two hundred twenty-eight million, four hundred forty-four thousand, three hundred six".