9821322 has 48 divisors (see below), whose sum is σ = 25384320. Its totient is φ = 2683296.

The previous prime is 9821321. The next prime is 9821333. The reversal of 9821322 is 2231289.

It is a happy number.

9821322 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9821321) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1204 + ... + 4592.

It is an arithmetic number, because the mean of its divisors is an integer number (528840).

Almost surely, 2^9821322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9821322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12692160).

9821322 is an abundant number, since it is smaller than the sum of its proper divisors (15562998).

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

9821322 is a wasteful number, since it uses less digits than its factorization.

9821322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427 (or 3424 counting only the distinct ones).

The product of its digits is 1728, while the sum is 27.

The square root of 9821322 is about 3133.8988496759. The cubic root of 9821322 is about 214.1525828290.

It can be divided in two parts, 982 and 1322, that added together give a square (2304 = 48²).

The spelling of 9821322 in words is "nine million, eight hundred twenty-one thousand, three hundred twenty-two".