1322321002 has 8 divisors (see below), whose sum is σ = 1994947236. Its totient is φ = 657338592.

The previous prime is 1322320999. The next prime is 1322321023. The reversal of 1322321002 is 2001232231.

It can be written as a sum of positive squares in 2 ways, for example, as 1124327961 + 197993041 = 33531^2 + 14071^2 .

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

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, 1910523 + ... + 1911214.

Almost surely, 2^1322321002 is an apocalyptic number.

1322321002 is a deficient number, since it is larger than the sum of its proper divisors (672626234).

1322321002 is a wasteful number, since it uses less digits than its factorization.

1322321002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3821912.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1322321002 is about 36363.7319591925. The cubic root of 1322321002 is about 1097.6038757851.

Adding to 1322321002 its reverse (2001232231), we get a palindrome (3323553233).

It can be divided in two parts, 13223 and 21002, that added together give a square (34225 = 185²).

The spelling of 1322321002 in words is "one billion, three hundred twenty-two million, three hundred twenty-one thousand, two".