22005400304 has 20 divisors (see below), whose sum is σ = 45143432064. Its totient is φ = 10355482368.

The previous prime is 22005400301. The next prime is 22005400369. The reversal of 22005400304 is 40300450022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22005400301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40450832 + ... + 40451375.

Almost surely, 2^22005400304 is an apocalyptic number.

It is an amenable number.

22005400304 is an abundant number, since it is smaller than the sum of its proper divisors (23138031760).

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

22005400304 is a wasteful number, since it uses less digits than its factorization.

22005400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80902232 (or 80902226 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 22005400304 its reverse (40300450022), we get a palindrome (62305850326).

The spelling of 22005400304 in words is "twenty-two billion, five million, four hundred thousand, three hundred four".