12226351 has 2 divisors, whose sum is σ = 12226352. Its totient is φ = 12226350.

The previous prime is 12226339. The next prime is 12226381. The reversal of 12226351 is 15362221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12226351 - 2⁷ = 12226223 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12226321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113175 + 6113176.

It is an arithmetic number, because the mean of its divisors is an integer number (6113176).

Almost surely, 2^12226351 is an apocalyptic number.

12226351 is a deficient number, since it is larger than the sum of its proper divisors (1).

12226351 is an equidigital number, since it uses as much as digits as its factorization.

12226351 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 720, while the sum is 22.

The square root of 12226351 is about 3496.6199393128. The cubic root of 12226351 is about 230.3733759001.

Adding to 12226351 its reverse (15362221), we get a palindrome (27588572).

The spelling of 12226351 in words is "twelve million, two hundred twenty-six thousand, three hundred fifty-one".