22002044002 has 16 divisors (see below), whose sum is σ = 33326872632. Its totient is φ = 10893272320.

The previous prime is 22002043993. The next prime is 22002044003. The reversal of 22002044002 is 20044020022.

It can be written as a sum of positive squares in 4 ways, for example, as 19301267041 + 2700776961 = 138929^2 + 51969^2 .

It is not an unprimeable number, because it can be changed into a prime (22002044003) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 193908 + ... + 285664.

Almost surely, 2^22002044002 is an apocalyptic number.

22002044002 is a deficient number, since it is larger than the sum of its proper divisors (11324828630).

22002044002 is a wasteful number, since it uses less digits than its factorization.

22002044002 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92933.

The product of its (nonzero) digits is 256, while the sum is 16.

Adding to 22002044002 its reverse (20044020022), we get a palindrome (42046064024).

The spelling of 22002044002 in words is "twenty-two billion, two million, forty-four thousand, two".