22112122202 has 8 divisors (see below), whose sum is σ = 33297243156. Its totient is φ = 11013041152.

The previous prime is 22112122181. The next prime is 22112122229. The reversal of 22112122202 is 20222121122.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 17870075041 + 4242047161 = 133679^2 + 65131^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21509333 + ... + 21510360.

Almost surely, 2^22112122202 is an apocalyptic number.

22112122202 is a deficient number, since it is larger than the sum of its proper divisors (11185120954).

22112122202 is a wasteful number, since it uses less digits than its factorization.

22112122202 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43019952.

The product of its (nonzero) digits is 128, while the sum is 17.

Adding to 22112122202 its reverse (20222121122), we get a palindrome (42334243324).

The spelling of 22112122202 in words is "twenty-two billion, one hundred twelve million, one hundred twenty-two thousand, two hundred two".