9022720 has 144 divisors (see below), whose sum is σ = 26490240. Its totient is φ = 2875392.

The previous prime is 9022679. The next prime is 9022723. The reversal of 9022720 is 272209.

9022720 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 9022691 and 9022700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9022723) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 170214 + ... + 170266.

It is an arithmetic number, because the mean of its divisors is an integer number (183960).

Almost surely, 2^9022720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9022720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13245120).

9022720 is an abundant number, since it is smaller than the sum of its proper divisors (17467520).

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

9022720 is a wasteful number, since it uses less digits than its factorization.

9022720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 86 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 9022720 is about 3003.7842798710. The cubic root of 9022720 is about 208.1832704242.

Adding to 9022720 its reverse (272209), we get a palindrome (9294929).

The spelling of 9022720 in words is "nine million, twenty-two thousand, seven hundred twenty".