22055323332 has 96 divisors (see below), whose sum is σ = 59864555520. Its totient is φ = 6189805440.

The previous prime is 22055323309. The next prime is 22055323343. The reversal of 22055323332 is 23332355022.

It is a self number, because there is not a number n which added to its sum of digits gives 22055323332.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1298857 + ... + 1315727.

It is an arithmetic number, because the mean of its divisors is an integer number (623589120).

Almost surely, 2^22055323332 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22055323332, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29932277760).

22055323332 is an abundant number, since it is smaller than the sum of its proper divisors (37809232188).

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

22055323332 is a wasteful number, since it uses less digits than its factorization.

22055323332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17161 (or 17159 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 30.

Adding to 22055323332 its reverse (23332355022), we get a palindrome (45387678354).

The spelling of 22055323332 in words is "twenty-two billion, fifty-five million, three hundred twenty-three thousand, three hundred thirty-two".