1322234320 has 160 divisors (see below), whose sum is σ = 3645480960. Its totient is φ = 440640000.

The previous prime is 1322234317. The next prime is 1322234387. The reversal of 1322234320 is 234322231.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 1322234291 and 1322234300.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 517045 + ... + 519595.

It is an arithmetic number, because the mean of its divisors is an integer number (22784256).

Almost surely, 2^1322234320 is an apocalyptic number.

1322234320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1322234320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1822740480).

1322234320 is an abundant number, since it is smaller than the sum of its proper divisors (2323246640).

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

1322234320 is a wasteful number, since it uses less digits than its factorization.

1322234320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2625 (or 2619 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 22.

The square root of 1322234320 is about 36362.5400652925. The cubic root of 1322234320 is about 1097.5798915488.

Adding to 1322234320 its reverse (234322231), we get a palindrome (1556556551).

The spelling of 1322234320 in words is "one billion, three hundred twenty-two million, two hundred thirty-four thousand, three hundred twenty".