9225220 has 48 divisors (see below), whose sum is σ = 21022848. Its totient is φ = 3386880.

The previous prime is 9225217. The next prime is 9225221. The reversal of 9225220 is 225229.

It is a junction number, because it is equal to n+sod(n) for n = 9225191 and 9225200.

It is not an unprimeable number, because it can be changed into a prime (9225221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14305 + ... + 14935.

It is an arithmetic number, because the mean of its divisors is an integer number (437976).

Almost surely, 2^9225220 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 9225220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10511424).

9225220 is an abundant number, since it is smaller than the sum of its proper divisors (11797628).

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

9225220 is a wasteful number, since it uses less digits than its factorization.

9225220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 700 (or 698 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 9225220 is about 3037.3047262334. The cubic root of 9225220 is about 209.7292050038.

The spelling of 9225220 in words is "nine million, two hundred twenty-five thousand, two hundred twenty".