12222249 has 12 divisors (see below), whose sum is σ = 17647056. Its totient is φ = 7521072.

The previous prime is 12222241. The next prime is 12222257. The reversal of 12222249 is 94222221.

It is an interprime number because it is at equal distance from previous prime (12222241) and next prime (12222257).

It is not a de Polignac number, because 12222249 - 2³ = 12222241 is a prime.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12222241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11547 + ... + 12560.

It is an arithmetic number, because the mean of its divisors is an integer number (1470588).

Almost surely, 2^12222249 is an apocalyptic number.

It is an amenable number.

12222249 is a deficient number, since it is larger than the sum of its proper divisors (5424807).

12222249 is a wasteful number, since it uses less digits than its factorization.

12222249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24136 (or 24123 counting only the distinct ones).

The product of its digits is 1152, while the sum is 24.

The square root of 12222249 is about 3496.0333236398. The cubic root of 12222249 is about 230.3476092237.

The spelling of 12222249 in words is "twelve million, two hundred twenty-two thousand, two hundred forty-nine".