1222110210222 has 36 divisors (see below), whose sum is σ = 2910507654600. Its totient is φ = 370336426680.

The previous prime is 1222110210203. The next prime is 1222110210227. The reversal of 1222110210222 is 2220120112221.

It is a happy number.

1222110210222 is a `hidden beast` number, since 1 + 2 + 221 + 10 + 210 + 222 = 666.

It is a super-2 number, since 2×1222110210222² (a number of 25 digits) contains 22 as substring.

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 = 1222110210195 and 1222110210204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1222110210227) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 280555722 + ... + 280560077.

It is an arithmetic number, because the mean of its divisors is an integer number (80847434850).

Almost surely, 2^{1222110210222} is an apocalyptic number.

1222110210222 is an abundant number, since it is smaller than the sum of its proper divisors (1688397444378).

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

1222110210222 is a wasteful number, since it uses less digits than its factorization.

1222110210222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 561115829 (or 561115815 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

Adding to 1222110210222 its reverse (2220120112221), we get a palindrome (3442230322443).

The spelling of 1222110210222 in words is "one trillion, two hundred twenty-two billion, one hundred ten million, two hundred ten thousand, two hundred twenty-two".