1224042044 has 12 divisors (see below), whose sum is σ = 2194319568. Its totient is φ = 597093600.

The previous prime is 1224042023. The next prime is 1224042047. The reversal of 1224042044 is 4402404221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1224042047) 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, 3731672 + ... + 3731999.

It is an arithmetic number, because the mean of its divisors is an integer number (182859964).

Almost surely, 2^1224042044 is an apocalyptic number.

It is an amenable number.

1224042044 is a deficient number, since it is larger than the sum of its proper divisors (970277524).

1224042044 is a wasteful number, since it uses less digits than its factorization.

1224042044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7463716 (or 7463714 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 23.

The square root of 1224042044 is about 34986.3122377881. The cubic root of 1224042044 is about 1069.7084960132.

Adding to 1224042044 its reverse (4402404221), we get a palindrome (5626446265).

The spelling of 1224042044 in words is "one billion, two hundred twenty-four million, forty-two thousand, forty-four".