22400400304 has 20 divisors (see below), whose sum is σ = 45287766576. Its totient is φ = 10713234752.

The previous prime is 22400400283. The next prime is 22400400331. The reversal of 22400400304 is 40300400422.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 30434959 + ... + 30435694.

Almost surely, 2^22400400304 is an apocalyptic number.

It is an amenable number.

22400400304 is an abundant number, since it is smaller than the sum of its proper divisors (22887366272).

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

22400400304 is a wasteful number, since it uses less digits than its factorization.

22400400304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60870684 (or 60870678 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 19.

Adding to 22400400304 its reverse (40300400422), we get a palindrome (62700800726).

The spelling of 22400400304 in words is "twenty-two billion, four hundred million, four hundred thousand, three hundred four".