12222349 has 2 divisors, whose sum is σ = 12222350. Its totient is φ = 12222348.

The previous prime is 12222319. The next prime is 12222367. The reversal of 12222349 is 94322221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6375625 + 5846724 = 2525^2 + 2418^2 .

It is a cyclic number.

It is not a de Polignac number, because 12222349 - 2⁹ = 12221837 is a prime.

It is a plaindrome in base 10.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12222319) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111174 + 6111175.

It is an arithmetic number, because the mean of its divisors is an integer number (6111175).

Almost surely, 2^12222349 is an apocalyptic number.

It is an amenable number.

12222349 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222349 is an equidigital number, since it uses as much as digits as its factorization.

12222349 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

The square root of 12222349 is about 3496.0476255337. The cubic root of 12222349 is about 230.3482374413.

The spelling of 12222349 in words is "twelve million, two hundred twenty-two thousand, three hundred forty-nine".