1243224422 has 24 divisors (see below), whose sum is σ = 2075757600. Its totient is φ = 557940240.

The previous prime is 1243224379. The next prime is 1243224443. The reversal of 1243224422 is 2244223421.

It is a junction number, because it is equal to n+sod(n) for n = 1243224391 and 1243224400.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 13397 + ... + 51632.

It is an arithmetic number, because the mean of its divisors is an integer number (86489900).

Almost surely, 2^1243224422 is an apocalyptic number.

1243224422 is a deficient number, since it is larger than the sum of its proper divisors (832533178).

1243224422 is a wasteful number, since it uses less digits than its factorization.

1243224422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65132 (or 65121 counting only the distinct ones).

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

The square root of 1243224422 is about 35259.3877144797. The cubic root of 1243224422 is about 1075.2674789971.

Adding to 1243224422 its reverse (2244223421), we get a palindrome (3487447843).

The spelling of 1243224422 in words is "one billion, two hundred forty-three million, two hundred twenty-four thousand, four hundred twenty-two".