1224344441 has 4 divisors (see below), whose sum is σ = 1277576832. Its totient is φ = 1171112052.

The previous prime is 1224344413. The next prime is 1224344447. The reversal of 1224344441 is 1444434221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1444434221 = 47 ⋅30732643.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1224344441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1224344447) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26616161 + ... + 26616206.

It is an arithmetic number, because the mean of its divisors is an integer number (319394208).

Almost surely, 2^1224344441 is an apocalyptic number.

It is an amenable number.

1224344441 is a deficient number, since it is larger than the sum of its proper divisors (53232391).

1224344441 is an equidigital number, since it uses as much as digits as its factorization.

1224344441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53232390.

The product of its digits is 12288, while the sum is 29.

The square root of 1224344441 is about 34990.6336181556. The cubic root of 1224344441 is about 1069.7965785011.

Adding to 1224344441 its reverse (1444434221), we get a palindrome (2668778662).

The spelling of 1224344441 in words is "one billion, two hundred twenty-four million, three hundred forty-four thousand, four hundred forty-one".