22004022204 has 36 divisors (see below), whose sum is σ = 55954355184. Its totient is φ = 7290751872.

The previous prime is 22004022203. The next prime is 22004022241. The reversal of 22004022204 is 40222040022.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22004022203) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1823997 + ... + 1836020.

It is an arithmetic number, because the mean of its divisors is an integer number (1554287644).

Almost surely, 2^22004022204 is an apocalyptic number.

It is an amenable number.

22004022204 is an abundant number, since it is smaller than the sum of its proper divisors (33950332980).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22004022204 is a wasteful number, since it uses less digits than its factorization.

22004022204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3660194 (or 3660189 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 18.

Adding to 22004022204 its reverse (40222040022), we get a palindrome (62226062226).

The spelling of 22004022204 in words is "twenty-two billion, four million, twenty-two thousand, two hundred four".