22002002002 has 8 divisors (see below), whose sum is σ = 33004086012. Its totient is φ = 11000640000.

The previous prime is 22002001997. The next prime is 22002002003. The reversal of 22002002002 is 20020020022.

It can be written as a sum of positive squares in 2 ways, for example, as 17508847041 + 4493154961 = 132321^2 + 67031^2 .

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

22002002002 is a modest number, since divided by 2002002 gives 22 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22002002002.

It is not an unprimeable number, because it can be changed into a prime (22002002003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 96499 + ... + 230902.

Almost surely, 2^22002002002 is an apocalyptic number.

22002002002 is a deficient number, since it is larger than the sum of its proper divisors (11002084010).

22002002002 is a wasteful number, since it uses less digits than its factorization.

22002002002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361004.

The product of its (nonzero) digits is 32, while the sum is 10.

Adding to 22002002002 its reverse (20020020022), we get a palindrome (42022022024).

It can be divided in two parts, 2 and 2002002002, that multiplied together give a palindrome (4004004004).

The spelling of 22002002002 in words is "twenty-two billion, two million, two thousand, two".