2003222001 has 16 divisors (see below), whose sum is σ = 2936026368. Its totient is φ = 1204803600.

The previous prime is 2003221963. The next prime is 2003222033. The reversal of 2003222001 is 1002223002.

It is not a de Polignac number, because 2003222001 - 2¹⁵ = 2003189233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2003222401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 227371 + ... + 236016.

It is an arithmetic number, because the mean of its divisors is an integer number (183501648).

Almost surely, 2^2003222001 is an apocalyptic number.

It is an amenable number.

2003222001 is a deficient number, since it is larger than the sum of its proper divisors (932804367).

2003222001 is a wasteful number, since it uses less digits than its factorization.

2003222001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463532.

The product of its (nonzero) digits is 48, while the sum is 12.

The square root of 2003222001 is about 44757.3681196739. The cubic root of 2003222001 is about 1260.5972647111.

Adding to 2003222001 its reverse (1002223002), we get a palindrome (3005445003).

The spelling of 2003222001 in words is "two billion, three million, two hundred twenty-two thousand, one".