22100000202 has 192 divisors, whose sum is σ = 59458560000. Its totient is φ = 5959036512.

The previous prime is 22100000191. The next prime is 22100000207. The reversal of 22100000202 is 20200000122.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is not an unprimeable number, because it can be changed into a prime (22100000207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 15796299 + ... + 15797697.

It is an arithmetic number, because the mean of its divisors is an integer number (309680000).

Almost surely, 2^22100000202 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22100000202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29729280000).

22100000202 is an abundant number, since it is smaller than the sum of its proper divisors (37358559798).

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

22100000202 is a wasteful number, since it uses less digits than its factorization.

22100000202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1542 (or 1513 counting only the distinct ones).

The product of its (nonzero) digits is 16, while the sum is 9.

Adding to 22100000202 its reverse (20200000122), we get a palindrome (42300000324).

The spelling of 22100000202 in words is "twenty-two billion, one hundred million, two hundred two", and thus it is an aban number.