1322322340 has 12 divisors (see below), whose sum is σ = 2776876956. Its totient is φ = 528928928.

The previous prime is 1322322289. The next prime is 1322322359. The reversal of 1322322340 is 432232231.

It can be written as a sum of positive squares in 2 ways, for example, as 624200256 + 698122084 = 24984^2 + 26422^2 .

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 3 ways as a sum of consecutive naturals, for example, 33058039 + ... + 33058078.

It is an arithmetic number, because the mean of its divisors is an integer number (231406413).

Almost surely, 2^1322322340 is an apocalyptic number.

1322322340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1322322340 is an abundant number, since it is smaller than the sum of its proper divisors (1454554616).

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

1322322340 is a wasteful number, since it uses less digits than its factorization.

1322322340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 66116126 (or 66116124 counting only the distinct ones).

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

The square root of 1322322340 is about 36363.7503566395. The cubic root of 1322322340 is about 1097.6042459911.

Adding to 1322322340 its reverse (432232231), we get a palindrome (1754554571).

The spelling of 1322322340 in words is "one billion, three hundred twenty-two million, three hundred twenty-two thousand, three hundred forty".