12222322 has 16 divisors (see below), whose sum is σ = 21309120. Its totient is φ = 5149008.

The previous prime is 12222319. The next prime is 12222349. The reversal of 12222322 is 22322221.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 12222296 and 12222305.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6573 + ... + 8224.

It is an arithmetic number, because the mean of its divisors is an integer number (1331820).

Almost surely, 2^12222322 is an apocalyptic number.

12222322 is a deficient number, since it is larger than the sum of its proper divisors (9086798).

12222322 is a wasteful number, since it uses less digits than its factorization.

12222322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14865.

The product of its digits is 192, while the sum is 16.

The square root of 12222322 is about 3496.0437640281. The cubic root of 12222322 is about 230.3480678229.

Adding to 12222322 its reverse (22322221), we get a palindrome (34544543).

It can be divided in two parts, 12222 and 322, that added together give a square (12544 = 112²).

The spelling of 12222322 in words is "twelve million, two hundred twenty-two thousand, three hundred twenty-two".