22100202222 has 64 divisors (see below), whose sum is σ = 53670574080. Its totient is φ = 5926080096.

The previous prime is 22100202209. The next prime is 22100202259. The reversal of 22100202222 is 22220200122.

It is a congruent number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 44028 + ... + 214799.

It is an arithmetic number, because the mean of its divisors is an integer number (838602720).

Almost surely, 2^22100202222 is an apocalyptic number.

22100202222 is an abundant number, since it is smaller than the sum of its proper divisors (31570371858).

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

22100202222 is a wasteful number, since it uses less digits than its factorization.

22100202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258965.

The product of its (nonzero) digits is 128, while the sum is 15.

Adding to 22100202222 its reverse (22220200122), we get a palindrome (44320402344).

The spelling of 22100202222 in words is "twenty-two billion, one hundred million, two hundred two thousand, two hundred twenty-two".