22100012032 has 176 divisors, whose sum is σ = 53435543040. Its totient is φ = 8924332032.

The previous prime is 22100012029. The next prime is 22100012057. The reversal of 22100012032 is 23021000122.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35818188 + ... + 35818804.

It is an arithmetic number, because the mean of its divisors is an integer number (303611040).

Almost surely, 2^22100012032 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 22100012032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26717771520).

22100012032 is an abundant number, since it is smaller than the sum of its proper divisors (31335531008).

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

22100012032 is a wasteful number, since it uses less digits than its factorization.

22100012032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 926 (or 908 counting only the distinct ones).

The product of its (nonzero) digits is 48, while the sum is 13.

Adding to 22100012032 its reverse (23021000122), we get a palindrome (45121012154).

The spelling of 22100012032 in words is "twenty-two billion, one hundred million, twelve thousand, thirty-two".