2003022002 has 4 divisors (see below), whose sum is σ = 3004533006. Its totient is φ = 1001511000.

The previous prime is 2003021981. The next prime is 2003022019. The reversal of 2003022002 is 2002203002.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1022016961 + 981005041 = 31969^2 + 31321^2 .

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 500755499 + ... + 500755502.

Almost surely, 2^2003022002 is an apocalyptic number.

2003022002 is a deficient number, since it is larger than the sum of its proper divisors (1001511004).

2003022002 is a wasteful number, since it uses less digits than its factorization.

2003022002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001511003.

The product of its (nonzero) digits is 48, while the sum is 11.

The square root of 2003022002 is about 44755.1338060786. The cubic root of 2003022002 is about 1260.5553112010. Note that the first 3 decimals are identical.

Adding to 2003022002 its reverse (2002203002), we get a palindrome (4005225004).

The spelling of 2003022002 in words is "two billion, three million, twenty-two thousand, two".