12222229 has 8 divisors (see below), whose sum is σ = 12398400. Its totient is φ = 12047616.

The previous prime is 12222211. The next prime is 12222241. The reversal of 12222229 is 92222221.

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

It is a cyclic number.

It is not a de Polignac number, because 12222229 - 2⁷ = 12222101 is a prime.

It is a Duffinian number.

It is a plaindrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12222629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26997 + ... + 27445.

It is an arithmetic number, because the mean of its divisors is an integer number (1549800).

Almost surely, 2^12222229 is an apocalyptic number.

It is an amenable number.

12222229 is a deficient number, since it is larger than the sum of its proper divisors (176171).

12222229 is a wasteful number, since it uses less digits than its factorization.

12222229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 779.

The product of its digits is 576, while the sum is 22.

The square root of 12222229 is about 3496.0304632540. The cubic root of 12222229 is about 230.3474835797.

The spelling of 12222229 in words is "twelve million, two hundred twenty-two thousand, two hundred twenty-nine".