1022222111022 has 224 divisors, whose sum is σ = 2779794547200. Its totient is φ = 275276885184.

The previous prime is 1022222110997. The next prime is 1022222111059. The reversal of 1022222111022 is 2201112222201.

It is a happy number.

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 = 1022222110986 and 1022222111004.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 38187679 + ... + 38214437.

Almost surely, 2^{1022222111022} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1022222111022, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1389897273600).

1022222111022 is an abundant number, since it is smaller than the sum of its proper divisors (1757572436178).

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

1022222111022 is a wasteful number, since it uses less digits than its factorization.

1022222111022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27002 (or 26987 counting only the distinct ones).

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

Adding to 1022222111022 its reverse (2201112222201), we get a palindrome (3223334333223).

The spelling of 1022222111022 in words is "one trillion, twenty-two billion, two hundred twenty-two million, one hundred eleven thousand, twenty-two".