1224344413 has 2 divisors, whose sum is σ = 1224344414. Its totient is φ = 1224344412.

The previous prime is 1224344383. The next prime is 1224344447. The reversal of 1224344413 is 3144434221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844367364 + 379977049 = 29058^2 + 19493^2 .

It is an emirp because it is prime and its reverse (3144434221) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224344413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1224344453) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612172206 + 612172207.

It is an arithmetic number, because the mean of its divisors is an integer number (612172207).

Almost surely, 2^1224344413 is an apocalyptic number.

It is an amenable number.

1224344413 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224344413 is an equidigital number, since it uses as much as digits as its factorization.

1224344413 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9216, while the sum is 28.

The square root of 1224344413 is about 34990.6332180485. The cubic root of 1224344413 is about 1069.7965703459.

Adding to 1224344413 its reverse (3144434221), we get a palindrome (4368778634).

The spelling of 1224344413 in words is "one billion, two hundred twenty-four million, three hundred forty-four thousand, four hundred thirteen".