1213224344 has 16 divisors (see below), whose sum is σ = 2275392120. Its totient is φ = 606453120.

The previous prime is 1213224319. The next prime is 1213224349. The reversal of 1213224344 is 4434223121.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213224349) 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 3 ways as a sum of consecutive naturals, for example, 16439 + ... + 51929.

Almost surely, 2^1213224344 is an apocalyptic number.

It is an amenable number.

1213224344 is a deficient number, since it is larger than the sum of its proper divisors (1062167776).

1213224344 is a wasteful number, since it uses less digits than its factorization.

1213224344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39770 (or 39766 counting only the distinct ones).

The product of its digits is 4608, while the sum is 26.

The square root of 1213224344 is about 34831.3701137351. The cubic root of 1213224344 is about 1066.5479174228.

Adding to 1213224344 its reverse (4434223121), we get a palindrome (5647447465).

The spelling of 1213224344 in words is "one billion, two hundred thirteen million, two hundred twenty-four thousand, three hundred forty-four".