22002004004 has 24 divisors (see below), whose sum is σ = 39502663200. Its totient is φ = 10716345920.

The previous prime is 22002003949. The next prime is 22002004019. The reversal of 22002004004 is 40040020022.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 22002004004.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6287 + ... + 209865.

It is an arithmetic number, because the mean of its divisors is an integer number (1645944300).

Almost surely, 2^22002004004 is an apocalyptic number.

It is an amenable number.

22002004004 is a deficient number, since it is larger than the sum of its proper divisors (17500659196).

22002004004 is a wasteful number, since it uses less digits than its factorization.

22002004004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 204283 (or 204281 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 14.

Adding to 22002004004 its reverse (40040020022), we get a palindrome (62042024026).

The spelling of 22002004004 in words is "twenty-two billion, two million, four thousand, four".