12222226 has 8 divisors (see below), whose sum is σ = 18478080. Its totient is φ = 6062868.

The previous prime is 12222211. The next prime is 12222241. The reversal of 12222226 is 62222221.

It is an interprime number because it is at equal distance from previous prime (12222211) and next prime (12222241).

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

It is a plaindrome in base 10.

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, 23806 + ... + 24313.

It is an arithmetic number, because the mean of its divisors is an integer number (2309760).

Almost surely, 2^12222226 is an apocalyptic number.

12222226 is a deficient number, since it is larger than the sum of its proper divisors (6255854).

12222226 is a wasteful number, since it uses less digits than its factorization.

12222226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48248.

The product of its digits is 384, while the sum is 19.

The square root of 12222226 is about 3496.0300341959. The cubic root of 12222226 is about 230.3474647331.

Adding to 12222226 its reverse (62222221), we get a palindrome (74444447).

The spelling of 12222226 in words is "twelve million, two hundred twenty-two thousand, two hundred twenty-six".