1224423313 has 2 divisors, whose sum is σ = 1224423314. Its totient is φ = 1224423312.

The previous prime is 1224423287. The next prime is 1224423341. The reversal of 1224423313 is 3133244221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1224160144 + 263169 = 34988^2 + 513^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224423313 - 2⁵ = 1224423281 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224423353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612211656 + 612211657.

It is an arithmetic number, because the mean of its divisors is an integer number (612211657).

Almost surely, 2^1224423313 is an apocalyptic number.

It is an amenable number.

1224423313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224423313 is an equidigital number, since it uses as much as digits as its factorization.

1224423313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 25.

The square root of 1224423313 is about 34991.7606444717. The cubic root of 1224423313 is about 1069.8195500280.

Adding to 1224423313 its reverse (3133244221), we get a palindrome (4357667534).

The spelling of 1224423313 in words is "one billion, two hundred twenty-four million, four hundred twenty-three thousand, three hundred thirteen".