9922 has 12 divisors (see below), whose sum is σ = 16758. Its totient is φ = 4400.

The previous prime is 9907. The next prime is 9923. The reversal of 9922 is 2299.

9922 is nontrivially palindromic in base 3.

It can be written as a sum of positive squares in only one way, i.e., 9801 + 121 = 99^2 + 11^2 .

It is a Harshad number since it is a multiple of its sum of digits (22).

Its product of digits (324) is a multiple of the sum of its prime divisors (54).

It is a plaindrome in base 12 and base 14.

It is a nialpdrome in base 10 and base 11.

It is a zygodrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 9893 and 9902.

It is not an unprimeable number, because it can be changed into a prime (9923) by changing a digit.

9922 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 222 + ... + 262.

2⁹⁹²² is an apocalyptic number.

9922 is a deficient number, since it is larger than the sum of its proper divisors (6836).

9922 is a wasteful number, since it uses less digits than its factorization.

9922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65 (or 54 counting only the distinct ones).

The product of its digits is 324, while the sum is 22.

The square root of 9922 is about 99.6092365195. The cubic root of 9922 is about 21.4881853242.

Adding to 9922 its reverse (2299), we get a palindrome (12221).

It can be divided in two parts, 99 and 22, that added together give a palindrome (121).

The spelling of 9922 in words is "nine thousand, nine hundred twenty-two".