22204020404 has 24 divisors (see below), whose sum is σ = 40326249600. Its totient is φ = 10684698080.

The previous prime is 22204020403. The next prime is 22204020451. The reversal of 22204020404 is 40402040222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22204020403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 271664 + ... + 343815.

It is an arithmetic number, because the mean of its divisors is an integer number (1680260400).

Almost surely, 2^22204020404 is an apocalyptic number.

It is an amenable number.

22204020404 is a deficient number, since it is larger than the sum of its proper divisors (18122229196).

22204020404 is a wasteful number, since it uses less digits than its factorization.

22204020404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 615823 (or 615821 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 20.

Adding to 22204020404 its reverse (40402040222), we get a palindrome (62606060626).

The spelling of 22204020404 in words is "twenty-two billion, two hundred four million, twenty thousand, four hundred four".