9420224 has 28 divisors (see below), whose sum is σ = 20394168. Its totient is φ = 4281600.

The previous prime is 9420223. The next prime is 9420239. The reversal of 9420224 is 4220249.

It is a self number, because there is not a number n which added to its sum of digits gives 9420224.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9420223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5987 + ... + 7394.

Almost surely, 2^9420224 is an apocalyptic number.

It is an amenable number.

9420224 is an abundant number, since it is smaller than the sum of its proper divisors (10973944).

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

9420224 is a wasteful number, since it uses less digits than its factorization.

9420224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13404 (or 13394 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 9420224 is about 3069.2383419995. The cubic root of 9420224 is about 211.1966750318.

The spelling of 9420224 in words is "nine million, four hundred twenty thousand, two hundred twenty-four".