1224430393 has 2 divisors, whose sum is σ = 1224430394. Its totient is φ = 1224430392.

The previous prime is 1224430379. The next prime is 1224430411. The reversal of 1224430393 is 3930344221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1091443369 + 132987024 = 33037^2 + 11532^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224430393 - 2¹³ = 1224422201 is a prime.

It is not a weakly prime, because it can be changed into another prime (1224430313) 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, 612215196 + 612215197.

It is an arithmetic number, because the mean of its divisors is an integer number (612215197).

Almost surely, 2^1224430393 is an apocalyptic number.

It is an amenable number.

1224430393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224430393 is an equidigital number, since it uses as much as digits as its factorization.

1224430393 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 15552, while the sum is 31.

The square root of 1224430393 is about 34991.8618109983. The cubic root of 1224430393 is about 1069.8216120349.

The spelling of 1224430393 in words is "one billion, two hundred twenty-four million, four hundred thirty thousand, three hundred ninety-three".