22112222202 has 48 divisors (see below), whose sum is σ = 54782250432. Its totient is φ = 6314526720.

The previous prime is 22112222191. The next prime is 22112222219. The reversal of 22112222202 is 20222221122.

22112222202 is a `hidden beast` number, since 221 + 1 + 222 + 220 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 206202 + ... + 294522.

It is an arithmetic number, because the mean of its divisors is an integer number (1141296884).

Almost surely, 2^22112222202 is an apocalyptic number.

22112222202 is an abundant number, since it is smaller than the sum of its proper divisors (32670028230).

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

22112222202 is a wasteful number, since it uses less digits than its factorization.

22112222202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90323 (or 90320 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 18.

Adding to 22112222202 its reverse (20222221122), we get a palindrome (42334443324).

The spelling of 22112222202 in words is "twenty-two billion, one hundred twelve million, two hundred twenty-two thousand, two hundred two".