9220722 has 48 divisors (see below), whose sum is σ = 21778560. Its totient is φ = 2594592.

The previous prime is 9220721. The next prime is 9220751. The reversal of 9220722 is 2270229.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 9220692 and 9220701.

It is not an unprimeable number, because it can be changed into a prime (9220721) by changing a digit.

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 23 ways as a sum of consecutive naturals, for example, 23028 + ... + 23424.

It is an arithmetic number, because the mean of its divisors is an integer number (453720).

Almost surely, 2^9220722 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9220722, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10889280).

9220722 is an abundant number, since it is smaller than the sum of its proper divisors (12557838).

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

9220722 is a wasteful number, since it uses less digits than its factorization.

9220722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 9220722 is about 3036.5641768288. The cubic root of 9220722 is about 209.6951131221.

It can be divided in two parts, 92207 and 22, that added together give a palindrome (92229).

The spelling of 9220722 in words is "nine million, two hundred twenty thousand, seven hundred twenty-two".