2002244321 has 40 divisors (see below), whose sum is σ = 2603988864. Its totient is φ = 1526048160.

The previous prime is 2002244311. The next prime is 2002244327. The reversal of 2002244321 is 1234422002.

It is not a de Polignac number, because 2002244321 - 2¹⁰ = 2002243297 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2002244293 and 2002244302.

It is not an unprimeable number, because it can be changed into a prime (2002244327) 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 39 ways as a sum of consecutive naturals, for example, 1240511 + ... + 1242123.

Almost surely, 2^2002244321 is an apocalyptic number.

It is an amenable number.

2002244321 is a deficient number, since it is larger than the sum of its proper divisors (601744543).

2002244321 is an equidigital number, since it uses as much as digits as its factorization.

2002244321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699 (or 1678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 2002244321 is about 44746.4447861503. Note that the first 3 decimals coincide. The cubic root of 2002244321 is about 1260.3921516000.

Adding to 2002244321 its reverse (1234422002), we get a palindrome (3236666323).

The spelling of 2002244321 in words is "two billion, two million, two hundred forty-four thousand, three hundred twenty-one".