9223228 has 12 divisors (see below), whose sum is σ = 18446512. Its totient is φ = 3952800.

The previous prime is 9223211. The next prime is 9223229. The reversal of 9223228 is 8223229.

9223228 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

9223228 is an admirable number.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 329401 = 9223228 / (9 + 2 + 2 + 3 + 2 + 2 + 8).

It is a junction number, because it is equal to n+sod(n) for n = 9223196 and 9223205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9223229) 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, 164673 + ... + 164728.

Almost surely, 2^9223228 is an apocalyptic number.

It is an amenable number.

9223228 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.

9223228 is a wasteful number, since it uses less digits than its factorization.

9223228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 329412 (or 329410 counting only the distinct ones).

The product of its digits is 3456, while the sum is 28.

The square root of 9223228 is about 3036.9767862136. The cubic root of 9223228 is about 209.7141083213.

Subtracting from 9223228 its reverse (8223229), we obtain a palindrome (999999).

The spelling of 9223228 in words is "nine million, two hundred twenty-three thousand, two hundred twenty-eight".