4004228 has 12 divisors (see below), whose sum is σ = 7076160. Its totient is φ = 1982472.

The previous prime is 4004227. The next prime is 4004237. The reversal of 4004228 is 8224004.

It is not an unprimeable number, because it can be changed into a prime (4004227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4448 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (589680).

Almost surely, 2^4004228 is an apocalyptic number.

It is an amenable number.

4004228 is a deficient number, since it is larger than the sum of its proper divisors (3071932).

4004228 is a wasteful number, since it uses less digits than its factorization.

4004228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9826 (or 9824 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 4004228 is about 2001.0567208353. The cubic root of 4004228 is about 158.7960149330.

The spelling of 4004228 in words is "four million, four thousand, two hundred twenty-eight".