22216316100 has 144 divisors (see below), whose sum is σ = 70351497216. Its totient is φ = 5368208000.

The previous prime is 22216316099. The next prime is 22216316107. The reversal of 22216316100 is 161361222.

It is not an unprimeable number, because it can be changed into a prime (22216316107) 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 47 ways as a sum of consecutive naturals, for example, 1015477 + ... + 1037123.

It is an arithmetic number, because the mean of its divisors is an integer number (488552064).

Almost surely, 2^22216316100 is an apocalyptic number.

22216316100 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 22216316100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35175748608).

22216316100 is an abundant number, since it is smaller than the sum of its proper divisors (48135181116).

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

22216316100 is a wasteful number, since it uses less digits than its factorization.

22216316100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21986 (or 21979 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 24.

Adding to 22216316100 its reverse (161361222), we get a palindrome (22377677322).

The spelling of 22216316100 in words is "twenty-two billion, two hundred sixteen million, three hundred sixteen thousand, one hundred".