22220210222 has 16 divisors (see below), whose sum is σ = 38869173600. Its totient is φ = 9522946944.

The previous prime is 22220210191. The next prime is 22220210237. The reversal of 22220210222 is 22201202222.

It is a self number, because there is not a number n which added to its sum of digits gives 22220210222.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16194803 + ... + 16196174.

It is an arithmetic number, because the mean of its divisors is an integer number (2429323350).

Almost surely, 2^22220210222 is an apocalyptic number.

22220210222 is a deficient number, since it is larger than the sum of its proper divisors (16648963378).

22220210222 is an equidigital number, since it uses as much as digits as its factorization.

22220210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32391000 (or 32390986 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

Adding to 22220210222 its reverse (22201202222), we get a palindrome (44421412444).

The spelling of 22220210222 in words is "twenty-two billion, two hundred twenty million, two hundred ten thousand, two hundred twenty-two".