1244403224 has 64 divisors (see below), whose sum is σ = 2544696000. Its totient is φ = 568691200.

The previous prime is 1244403221. The next prime is 1244403241. The reversal of 1244403224 is 4223044421.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1244403193 and 1244403202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1244403221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 537782 + ... + 540090.

It is an arithmetic number, because the mean of its divisors is an integer number (39760875).

Almost surely, 2^1244403224 is an apocalyptic number.

It is an amenable number.

1244403224 is an abundant number, since it is smaller than the sum of its proper divisors (1300292776).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1244403224 is a wasteful number, since it uses less digits than its factorization.

1244403224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2468 (or 2464 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1244403224 is about 35276.0998978062. The cubic root of 1244403224 is about 1075.6072211032.

Adding to 1244403224 its reverse (4223044421), we get a palindrome (5467447645).

The spelling of 1244403224 in words is "one billion, two hundred forty-four million, four hundred three thousand, two hundred twenty-four".