1022112210222 has 80 divisors (see below), whose sum is σ = 2390352874272. Its totient is φ = 325824491520.

The previous prime is 1022112210211. The next prime is 1022112210311. The reversal of 1022112210222 is 2220122112201.

It is a happy number.

1022112210222 is a `hidden beast` number, since 1 + 0 + 221 + 1 + 221 + 0 + 222 = 666.

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 = 1022112210195 and 1022112210204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 20247958 + ... + 20298374.

Almost surely, 2^{1022112210222} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022112210222, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1195176437136).

1022112210222 is an abundant number, since it is smaller than the sum of its proper divisors (1368240664050).

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

1022112210222 is a wasteful number, since it uses less digits than its factorization.

1022112210222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55895 (or 55886 counting only the distinct ones).

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

Adding to 1022112210222 its reverse (2220122112201), we get a palindrome (3242234322423).

The spelling of 1022112210222 in words is "one trillion, twenty-two billion, one hundred twelve million, two hundred ten thousand, two hundred twenty-two".