22110031056 has 160 divisors (see below), whose sum is σ = 59878310400. Its totient is φ = 7021342720.

The previous prime is 22110031049. The next prime is 22110031057. The reversal of 22110031056 is 65013001122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22110031057) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 51299161 + ... + 51299591.

It is an arithmetic number, because the mean of its divisors is an integer number (374239440).

Almost surely, 2^22110031056 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 22110031056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29939155200).

22110031056 is an abundant number, since it is smaller than the sum of its proper divisors (37768279344).

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

22110031056 is a wasteful number, since it uses less digits than its factorization.

22110031056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 877 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

Adding to 22110031056 its reverse (65013001122), we get a palindrome (87123032178).

The spelling of 22110031056 in words is "twenty-two billion, one hundred ten million, thirty-one thousand, fifty-six".