22400100400 has 30 divisors (see below), whose sum is σ = 53816242172. Its totient is φ = 8960040000.

The previous prime is 22400100353. The next prime is 22400100413. The reversal of 22400100400 is 400100422.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 27999726 + ... + 28000525.

Almost surely, 2^22400100400 is an apocalyptic number.

22400100400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22400100400 is an abundant number, since it is smaller than the sum of its proper divisors (31416141772).

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

22400100400 is a wasteful number, since it uses less digits than its factorization.

22400100400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56000269 (or 56000258 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

Adding to 22400100400 its reverse (400100422), we get a palindrome (22800200822).

The spelling of 22400100400 in words is "twenty-two billion, four hundred million, one hundred thousand, four hundred".