12222307 has 2 divisors, whose sum is σ = 12222308. Its totient is φ = 12222306.

The previous prime is 12222283. The next prime is 12222319. The reversal of 12222307 is 70322221.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 12222307 - 2¹¹ = 12220259 is a prime.

It is not a weakly prime, because it can be changed into another prime (12222367) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6111153 + 6111154.

It is an arithmetic number, because the mean of its divisors is an integer number (6111154).

Almost surely, 2^12222307 is an apocalyptic number.

12222307 is a deficient number, since it is larger than the sum of its proper divisors (1).

12222307 is an equidigital number, since it uses as much as digits as its factorization.

12222307 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 336, while the sum is 19.

The square root of 12222307 is about 3496.0416187454. The cubic root of 12222307 is about 230.3479735903.

Adding to 12222307 its reverse (70322221), we get a palindrome (82544528).

The spelling of 12222307 in words is "twelve million, two hundred twenty-two thousand, three hundred seven".