12226469 has 2 divisors, whose sum is σ = 12226470. Its totient is φ = 12226468.

The previous prime is 12226457. The next prime is 12226471. The reversal of 12226469 is 96462221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11937025 + 289444 = 3455^2 + 538^2 .

It is a cyclic number.

It is not a de Polignac number, because 12226469 - 2⁴ = 12226453 is a prime.

It is a super-2 number, since 2×12226469² = 298973088415922, which contains 22 as substring.

Together with 12226471, it forms a pair of twin primes.

It is a Chen prime.

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 (12226499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6113234 + 6113235.

It is an arithmetic number, because the mean of its divisors is an integer number (6113235).

Almost surely, 2^12226469 is an apocalyptic number.

It is an amenable number.

12226469 is a deficient number, since it is larger than the sum of its proper divisors (1).

12226469 is an equidigital number, since it uses as much as digits as its factorization.

12226469 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10368, while the sum is 32.

The square root of 12226469 is about 3496.6368127102. The cubic root of 12226469 is about 230.3741170308.

The spelling of 12226469 in words is "twelve million, two hundred twenty-six thousand, four hundred sixty-nine".