12226453 has 2 divisors, whose sum is σ = 12226454. Its totient is φ = 12226452.

The previous prime is 12226433. The next prime is 12226457. The reversal of 12226453 is 35462221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11675889 + 550564 = 3417^2 + 742^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12226453 is a prime.

It is a super-2 number, since 2×12226453² = 298972305922418, which contains 22 as substring.

It is a plaindrome in base 15.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12226457) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113226 + 6113227.

It is an arithmetic number, because the mean of its divisors is an integer number (6113227).

Almost surely, 2^12226453 is an apocalyptic number.

It is an amenable number.

12226453 is a deficient number, since it is larger than the sum of its proper divisors (1).

12226453 is an equidigital number, since it uses as much as digits as its factorization.

12226453 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2880, while the sum is 25.

The square root of 12226453 is about 3496.6345247967. The cubic root of 12226453 is about 230.3740165388.

Adding to 12226453 its reverse (35462221), we get a palindrome (47688674).

The spelling of 12226453 in words is "twelve million, two hundred twenty-six thousand, four hundred fifty-three".