2001222202 has 8 divisors (see below), whose sum is σ = 3430666656. Its totient is φ = 857666652.

The previous prime is 2001222151. The next prime is 2001222221. The reversal of 2001222202 is 2022221002.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 71472208 + ... + 71472235.

It is an arithmetic number, because the mean of its divisors is an integer number (428833332).

Almost surely, 2^2001222202 is an apocalyptic number.

2001222202 is a deficient number, since it is larger than the sum of its proper divisors (1429444454).

2001222202 is a wasteful number, since it uses less digits than its factorization.

2001222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142944452.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2001222202 is about 44735.0220967868. The cubic root of 2001222202 is about 1260.1776439715.

Adding to 2001222202 its reverse (2022221002), we get a palindrome (4023443204).

The spelling of 2001222202 in words is "two billion, one million, two hundred twenty-two thousand, two hundred two".