12340222 has 8 divisors (see below), whose sum is σ = 18527400. Its totient is φ = 6164424.

The previous prime is 12340199. The next prime is 12340271. The reversal of 12340222 is 22204321.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12340196 and 12340205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 804 + ... + 5032.

It is an arithmetic number, because the mean of its divisors is an integer number (2315925).

Almost surely, 2^12340222 is an apocalyptic number.

12340222 is a deficient number, since it is larger than the sum of its proper divisors (6187178).

12340222 is a wasteful number, since it uses less digits than its factorization.

12340222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5690.

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

The square root of 12340222 is about 3512.8652123302. The cubic root of 12340222 is about 231.0863666356.

Adding to 12340222 its reverse (22204321), we get a palindrome (34544543).

The spelling of 12340222 in words is "twelve million, three hundred forty thousand, two hundred twenty-two".