22231201100 has 18 divisors (see below), whose sum is σ = 48241706604. Its totient is φ = 8892480400.

The previous prime is 22231201081. The next prime is 22231201127. The reversal of 22231201100 is 110213222.

It is a happy number.

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, 111155906 + ... + 111156105.

Almost surely, 2^22231201100 is an apocalyptic number.

22231201100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22231201100 is an abundant number, since it is smaller than the sum of its proper divisors (26010505504).

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

22231201100 is a wasteful number, since it uses less digits than its factorization.

22231201100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 222312025 (or 222312018 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 14.

Adding to 22231201100 its reverse (110213222), we get a palindrome (22341414322).

The spelling of 22231201100 in words is "twenty-two billion, two hundred thirty-one million, two hundred one thousand, one hundred".