1224311322 has 64 divisors (see below), whose sum is σ = 2794659840. Its totient is φ = 354456000.

The previous prime is 1224311317. The next prime is 1224311339. The reversal of 1224311322 is 2231134221.

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 31 ways as a sum of consecutive naturals, for example, 221047 + ... + 226517.

It is an arithmetic number, because the mean of its divisors is an integer number (43666560).

Almost surely, 2^1224311322 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1224311322, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1397329920).

1224311322 is an abundant number, since it is smaller than the sum of its proper divisors (1570348518).

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

1224311322 is a wasteful number, since it uses less digits than its factorization.

1224311322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5659.

The product of its digits is 576, while the sum is 21.

The square root of 1224311322 is about 34990.1603597354. The cubic root of 1224311322 is about 1069.7869322743.

Adding to 1224311322 its reverse (2231134221), we get a palindrome (3455445543).

It can be divided in two parts, 122431 and 1322, that added together give a triangular number (123753 = T₄₉₇).

The spelling of 1224311322 in words is "one billion, two hundred twenty-four million, three hundred eleven thousand, three hundred twenty-two".