1224140044 has 6 divisors (see below), whose sum is σ = 2142245084. Its totient is φ = 612070020.

The previous prime is 1224140041. The next prime is 1224140069. The reversal of 1224140044 is 4400414221.

It is a junction number, because it is equal to n+sod(n) for n = 1224139997 and 1224140024.

It is not an unprimeable number, because it can be changed into a prime (1224140041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153017502 + ... + 153017509.

Almost surely, 2^1224140044 is an apocalyptic number.

It is an amenable number.

1224140044 is a deficient number, since it is larger than the sum of its proper divisors (918105040).

1224140044 is a wasteful number, since it uses less digits than its factorization.

1224140044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 306035015 (or 306035013 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 22.

The square root of 1224140044 is about 34987.7127574810. The cubic root of 1224140044 is about 1069.7370431358.

Adding to 1224140044 its reverse (4400414221), we get a palindrome (5624554265).

The spelling of 1224140044 in words is "one billion, two hundred twenty-four million, one hundred forty thousand, forty-four".