1224443144 has 32 divisors (see below), whose sum is σ = 2424064800. Its totient is φ = 578223360.

The previous prime is 1224443119. The next prime is 1224443161. The reversal of 1224443144 is 4413444221.

It is a super-2 number, since 2×1224443144² = 2998522025777209472, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38144 + ... + 62480.

It is an arithmetic number, because the mean of its divisors is an integer number (75752025).

Almost surely, 2^1224443144 is an apocalyptic number.

It is an amenable number.

1224443144 is a deficient number, since it is larger than the sum of its proper divisors (1199621656).

1224443144 is a wasteful number, since it uses less digits than its factorization.

1224443144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24693 (or 24689 counting only the distinct ones).

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

The square root of 1224443144 is about 34992.0440100318. The cubic root of 1224443144 is about 1069.8253256659.

Adding to 1224443144 its reverse (4413444221), we get a palindrome (5637887365).

The spelling of 1224443144 in words is "one billion, two hundred twenty-four million, four hundred forty-three thousand, one hundred forty-four".