2002221002006 has 4 divisors (see below), whose sum is σ = 3003331503012. Its totient is φ = 1001110501002.

The previous prime is 2002221001973. The next prime is 2002221002063. The reversal of 2002221002006 is 6002001222002.

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

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 500555250500 + ... + 500555250503.

It is an arithmetic number, because the mean of its divisors is an integer number (750832875753).

Almost surely, 2^{2002221002006} is an apocalyptic number.

2002221002006 is a deficient number, since it is larger than the sum of its proper divisors (1001110501006).

2002221002006 is a wasteful number, since it uses less digits than its factorization.

2002221002006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1001110501005.

The product of its (nonzero) digits is 192, while the sum is 17.

Adding to 2002221002006 its reverse (6002001222002), we get a palindrome (8004222224008).

The spelling of 2002221002006 in words is "two trillion, two billion, two hundred twenty-one million, two thousand, six".