9144228 has 24 divisors (see below), whose sum is σ = 21535360. Its totient is φ = 3019680.

The previous prime is 9144221. The next prime is 9144229. The reversal of 9144228 is 8224419.

It is a junction number, because it is equal to n+sod(n) for n = 9144195 and 9144204.

It is not an unprimeable number, because it can be changed into a prime (9144221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2188 + ... + 4803.

Almost surely, 2^9144228 is an apocalyptic number.

It is an amenable number.

9144228 is an abundant number, since it is smaller than the sum of its proper divisors (12391132).

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

9144228 is a wasteful number, since it uses less digits than its factorization.

9144228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7107 (or 7105 counting only the distinct ones).

The product of its digits is 4608, while the sum is 30.

The square root of 9144228 is about 3023.9424597700. The cubic root of 9144228 is about 209.1136337105.

The spelling of 9144228 in words is "nine million, one hundred forty-four thousand, two hundred twenty-eight".