9422720 has 32 divisors (see below), whose sum is σ = 22527720. Its totient is φ = 3768832.

The previous prime is 9422717. The next prime is 9422737. The reversal of 9422720 is 272249.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 9422720.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6722 + ... + 8001.

Almost surely, 2^9422720 is an apocalyptic number.

It is an amenable number.

9422720 is an abundant number, since it is smaller than the sum of its proper divisors (13105000).

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

9422720 is a wasteful number, since it uses less digits than its factorization.

9422720 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14742 (or 14730 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 9422720 is about 3069.6449306068. The cubic root of 9422720 is about 211.2153264054.

Adding to 9422720 its reverse (272249), we get a palindrome (9694969).

The spelling of 9422720 in words is "nine million, four hundred twenty-two thousand, seven hundred twenty".