1323220322 has 8 divisors (see below), whose sum is σ = 1985198556. Its totient is φ = 661487472.

The previous prime is 1323220321. The next prime is 1323220343. The reversal of 1323220322 is 2230223231.

It can be written as a sum of positive squares in 2 ways, for example, as 1114157641 + 209062681 = 33379^2 + 14459^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 1323220294 and 1323220303.

It is not an unprimeable number, because it can be changed into a prime (1323220321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47213 + ... + 69824.

Almost surely, 2^1323220322 is an apocalyptic number.

1323220322 is a deficient number, since it is larger than the sum of its proper divisors (661978234).

1323220322 is a wasteful number, since it uses less digits than its factorization.

1323220322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 122692.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 1323220322 is about 36376.0954749132. The cubic root of 1323220322 is about 1097.8526488196.

Adding to 1323220322 its reverse (2230223231), we get a palindrome (3553443553).

The spelling of 1323220322 in words is "one billion, three hundred twenty-three million, two hundred twenty thousand, three hundred twenty-two".