12224322 has 48 divisors (see below), whose sum is σ = 29214432. Its totient is φ = 3663360.

The previous prime is 12224321. The next prime is 12224327. The reversal of 12224322 is 22342221.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12224295 and 12224304.

It is not an unprimeable number, because it can be changed into a prime (12224321) 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, 20898 + ... + 21474.

It is an arithmetic number, because the mean of its divisors is an integer number (608634).

Almost surely, 2^12224322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12224322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14607216).

12224322 is an abundant number, since it is smaller than the sum of its proper divisors (16990110).

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

12224322 is a wasteful number, since it uses less digits than its factorization.

12224322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 703 (or 700 counting only the distinct ones).

The product of its digits is 384, while the sum is 18.

The square root of 12224322 is about 3496.3297899369. The cubic root of 12224322 is about 230.3606314751.

Adding to 12224322 its reverse (22342221), we get a palindrome (34566543).

It can be divided in two parts, 122243 and 22, that added together give a triangular number (122265 = T₄₉₄).

The spelling of 12224322 in words is "twelve million, two hundred twenty-four thousand, three hundred twenty-two".