22000311200 has 144 divisors (see below), whose sum is σ = 61511688000. Its totient is φ = 7526891520.

The previous prime is 22000311191. The next prime is 22000311211. The reversal of 22000311200 is 211300022.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2790464 + ... + 2798336.

It is an arithmetic number, because the mean of its divisors is an integer number (427164500).

Almost surely, 2^22000311200 is an apocalyptic number.

22000311200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000311200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30755844000).

22000311200 is an abundant number, since it is smaller than the sum of its proper divisors (39511376800).

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

22000311200 is a wasteful number, since it uses less digits than its factorization.

22000311200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8399 (or 8386 counting only the distinct ones).

The product of its (nonzero) digits is 24, while the sum is 11.

Adding to 22000311200 its reverse (211300022), we get a palindrome (22211611222).

The spelling of 22000311200 in words is "twenty-two billion, three hundred eleven thousand, two hundred".