1224324481 has 2 divisors, whose sum is σ = 1224324482. Its totient is φ = 1224324480.

The previous prime is 1224324421. The next prime is 1224324499. The reversal of 1224324481 is 1844234221.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 900900225 + 323424256 = 30015^2 + 17984^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224324481 - 2¹¹ = 1224322433 is a prime.

It is a super-2 number, since 2×1224324481² = 2997940869551838722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1224324421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612162240 + 612162241.

It is an arithmetic number, because the mean of its divisors is an integer number (612162241).

Almost surely, 2^1224324481 is an apocalyptic number.

It is an amenable number.

1224324481 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224324481 is an equidigital number, since it uses as much as digits as its factorization.

1224324481 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12288, while the sum is 31.

The square root of 1224324481 is about 34990.3483978082. The cubic root of 1224324481 is about 1069.7907649802.

The spelling of 1224324481 in words is "one billion, two hundred twenty-four million, three hundred twenty-four thousand, four hundred eighty-one".