9404228 has 18 divisors (see below), whose sum is σ = 16705038. Its totient is φ = 4632160.

The previous prime is 9404201. The next prime is 9404231. The reversal of 9404228 is 8224049.

It can be written as a sum of positive squares in only one way, i.e., 8305924 + 1098304 = 2882^2 + 1048^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 9404228.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68576 + ... + 68712.

Almost surely, 2^9404228 is an apocalyptic number.

It is an amenable number.

9404228 is a deficient number, since it is larger than the sum of its proper divisors (7300810).

9404228 is a wasteful number, since it uses less digits than its factorization.

9404228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 29.

The square root of 9404228 is about 3066.6313766085. The cubic root of 9404228 is about 211.0770665528.

The spelling of 9404228 in words is "nine million, four hundred four thousand, two hundred twenty-eight".