22133200000 has 96 divisors (see below), whose sum is σ = 55114324020. Its totient is φ = 8853120000.

The previous prime is 22133199971. The next prime is 22133200021. The reversal of 22133200000 is 233122.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 5702062144 + 16431137856 = 75512^2 + 128184^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 372334 + ... + 427666.

Almost surely, 2^22133200000 is an apocalyptic number.

22133200000 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 22133200000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27557162010).

22133200000 is an abundant number, since it is smaller than the sum of its proper divisors (32981124020).

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

22133200000 is an frugal number, since it uses more digits than its factorization.

22133200000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55372 (or 55340 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

Adding to 22133200000 its reverse (233122), we get a palindrome (22133433122).

The spelling of 22133200000 in words is "twenty-two billion, one hundred thirty-three million, two hundred thousand".