2001322 has 16 divisors (see below), whose sum is σ = 3165120. Its totient is φ = 947232.

The previous prime is 2001313. The next prime is 2001331. The reversal of 2001322 is 2231002.

It is an interprime number because it is at equal distance from previous prime (2001313) and next prime (2001331).

It is a junction number, because it is equal to n+sod(n) for n = 2001299 and 2001308.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6238 + ... + 6550.

It is an arithmetic number, because the mean of its divisors is an integer number (197820).

2^2001322 is an apocalyptic number.

2001322 is a deficient number, since it is larger than the sum of its proper divisors (1163798).

2001322 is a wasteful number, since it uses less digits than its factorization.

2001322 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477.

The product of its (nonzero) digits is 24, while the sum is 10.

The square root of 2001322 is about 1414.6808827435. The cubic root of 2001322 is about 126.0198591357.

Adding to 2001322 its reverse (2231002), we get a palindrome (4232324).

The spelling of 2001322 in words is "two million, one thousand, three hundred twenty-two".