2003321322 has 20 divisors (see below), whose sum is σ = 4488924066. Its totient is φ = 667773720.

The previous prime is 2003321311. The next prime is 2003321323. The reversal of 2003321322 is 2231233002.

It is a happy number.

2003321322 is a `hidden beast` number, since 20 + 0 + 3 + 321 + 322 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1985504481 + 17816841 = 44559^2 + 4221^2 .

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 2003321295 and 2003321304.

It is not an unprimeable number, because it can be changed into a prime (2003321323) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 6182929 + ... + 6183252.

Almost surely, 2^2003321322 is an apocalyptic number.

2003321322 is an abundant number, since it is smaller than the sum of its proper divisors (2485602744).

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

2003321322 is a wasteful number, since it uses less digits than its factorization.

2003321322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12366195 (or 12366186 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 18.

The square root of 2003321322 is about 44758.4776550767. The cubic root of 2003321322 is about 1260.6180981004.

Adding to 2003321322 its reverse (2231233002), we get a palindrome (4234554324).

The spelling of 2003321322 in words is "two billion, three million, three hundred twenty-one thousand, three hundred twenty-two".