222110202222 has 72 divisors (see below), whose sum is σ = 521450341776. Its totient is φ = 70817649408.

The previous prime is 222110202211. The next prime is 222110202229. The reversal of 222110202222 is 222202011222.

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

It is a junction number, because it is equal to n+sod(n) for n = 222110202195 and 222110202204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222110202229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 66163 + ... + 669774.

It is an arithmetic number, because the mean of its divisors is an integer number (7242365858).

Almost surely, 2^222110202222 is an apocalyptic number.

222110202222 is an abundant number, since it is smaller than the sum of its proper divisors (299340139554).

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

222110202222 is an frugal number, since it uses more digits than its factorization.

222110202222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 735986 (or 735965 counting only the distinct ones).

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

Adding to 222110202222 its reverse (222202011222), we get a palindrome (444312213444).

The spelling of 222110202222 in words is "two hundred twenty-two billion, one hundred ten million, two hundred two thousand, two hundred twenty-two".