1323331422 has 64 divisors (see below), whose sum is σ = 3143162880. Its totient is φ = 363412224.

The previous prime is 1323331417. The next prime is 1323331423. The reversal of 1323331422 is 2241333231.

It is a junction number, because it is equal to n+sod(n) for n = 1323331392 and 1323331401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323331423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 281463 + ... + 286125.

It is an arithmetic number, because the mean of its divisors is an integer number (49111920).

Almost surely, 2^1323331422 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1323331422, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1571581440).

1323331422 is an abundant number, since it is smaller than the sum of its proper divisors (1819831458).

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

1323331422 is a wasteful number, since it uses less digits than its factorization.

1323331422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4937.

The product of its digits is 2592, while the sum is 24.

The square root of 1323331422 is about 36377.6225446359. The cubic root of 1323331422 is about 1097.8833738656.

Adding to 1323331422 its reverse (2241333231), we get a palindrome (3564664653).

The spelling of 1323331422 in words is "one billion, three hundred twenty-three million, three hundred thirty-one thousand, four hundred twenty-two".