1224335641 has 2 divisors, whose sum is σ = 1224335642. Its totient is φ = 1224335640.

The previous prime is 1224335639. The next prime is 1224335647. The reversal of 1224335641 is 1465334221.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1212502041 + 11833600 = 34821^2 + 3440^2 .

It is a cyclic number.

It is not a de Polignac number, because 1224335641 - 2¹ = 1224335639 is a prime.

Together with 1224335639, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1224335647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 612167820 + 612167821.

It is an arithmetic number, because the mean of its divisors is an integer number (612167821).

Almost surely, 2^1224335641 is an apocalyptic number.

It is an amenable number.

1224335641 is a deficient number, since it is larger than the sum of its proper divisors (1).

1224335641 is an equidigital number, since it uses as much as digits as its factorization.

1224335641 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 31.

The square root of 1224335641 is about 34990.5078699924. The cubic root of 1224335641 is about 1069.7940154335.

Adding to 1224335641 its reverse (1465334221), we get a palindrome (2689669862).

The spelling of 1224335641 in words is "one billion, two hundred twenty-four million, three hundred thirty-five thousand, six hundred forty-one".