2003022001 has 8 divisors (see below), whose sum is σ = 2069901504. Its totient is φ = 1937065200.

The previous prime is 2003021981. The next prime is 2003022019. The reversal of 2003022001 is 1002203002.

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

It is a cyclic number.

It is not a de Polignac number, because 2003022001 - 2¹³ = 2003013809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2003020001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 226261 + ... + 234946.

It is an arithmetic number, because the mean of its divisors is an integer number (258737688).

Almost surely, 2^2003022001 is an apocalyptic number.

It is an amenable number.

2003022001 is a deficient number, since it is larger than the sum of its proper divisors (66879503).

2003022001 is a wasteful number, since it uses less digits than its factorization.

2003022001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 461351.

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

The square root of 2003022001 is about 44755.1337949067. The cubic root of 2003022001 is about 1260.5553109912. Note that the first 3 decimals are identical.

Adding to 2003022001 its reverse (1002203002), we get a palindrome (3005225003).

The spelling of 2003022001 in words is "two billion, three million, twenty-two thousand, one".