2001222002 has 8 divisors (see below), whose sum is σ = 3232743276. Its totient is φ = 923640912.

The previous prime is 2001222001. The next prime is 2001222011. The reversal of 2001222002 is 2002221002.

It can be written as a sum of positive squares in 2 ways, for example, as 1967011201 + 34210801 = 44351^2 + 5849^2 .

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

It is not an unprimeable number, because it can be changed into a prime (2001222001) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38485013 + ... + 38485064.

Almost surely, 2^2001222002 is an apocalyptic number.

2001222002 is a deficient number, since it is larger than the sum of its proper divisors (1231521274).

2001222002 is a wasteful number, since it uses less digits than its factorization.

2001222002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76970092.

The product of its (nonzero) digits is 32, while the sum is 11.

The square root of 2001222002 is about 44735.0198614016. The cubic root of 2001222002 is about 1260.1776019912.

Adding to 2001222002 its reverse (2002221002), we get a palindrome (4003443004).

The spelling of 2001222002 in words is "two billion, one million, two hundred twenty-two thousand, two".