9144224 has 12 divisors (see below), whose sum is σ = 18002754. Its totient is φ = 4572096.

The previous prime is 9144221. The next prime is 9144229. The reversal of 9144224 is 4224419.

It can be written as a sum of positive squares in only one way, i.e., 8596624 + 547600 = 2932^2 + 740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 9144193 and 9144202.

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

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142847 + ... + 142910.

Almost surely, 2^9144224 is an apocalyptic number.

It is an amenable number.

9144224 is a deficient number, since it is larger than the sum of its proper divisors (8858530).

9144224 is a wasteful number, since it uses less digits than its factorization.

9144224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285767 (or 285759 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 9144224 is about 3023.9417983817. The cubic root of 9144224 is about 209.1136032193.

The spelling of 9144224 in words is "nine million, one hundred forty-four thousand, two hundred twenty-four".