22055758312 has 64 divisors (see below), whose sum is σ = 48569472000. Its totient is φ = 9191356416.

The previous prime is 22055758279. The next prime is 22055758313. The reversal of 22055758312 is 21385755022.

It is not an unprimeable number, because it can be changed into a prime (22055758313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6564489 + ... + 6567847.

It is an arithmetic number, because the mean of its divisors is an integer number (758898000).

Almost surely, 2^22055758312 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 22055758312, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24284736000).

22055758312 is an abundant number, since it is smaller than the sum of its proper divisors (26513713688).

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

22055758312 is a wasteful number, since it uses less digits than its factorization.

22055758312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6578 (or 6574 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 40.

The spelling of 22055758312 in words is "twenty-two billion, fifty-five million, seven hundred fifty-eight thousand, three hundred twelve".