12224904449 has 2 divisors, whose sum is σ = 12224904450. Its totient is φ = 12224904448.

The previous prime is 12224904427. The next prime is 12224904469. The reversal of 12224904449 is 94440942221.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6565050625 + 5659853824 = 81025^2 + 75232^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12224904449 is a prime.

It is not a weakly prime, because it can be changed into another prime (12224904469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6112452224 + 6112452225.

It is an arithmetic number, because the mean of its divisors is an integer number (6112452225).

Almost surely, 2^12224904449 is an apocalyptic number.

It is an amenable number.

12224904449 is a deficient number, since it is larger than the sum of its proper divisors (1).

12224904449 is an equidigital number, since it uses as much as digits as its factorization.

12224904449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 165888, while the sum is 41.

The spelling of 12224904449 in words is "twelve billion, two hundred twenty-four million, nine hundred four thousand, four hundred forty-nine".