1022221001022 has 32 divisors (see below), whose sum is σ = 2234568077952. Its totient is φ = 309835066464.

The previous prime is 1022221000991. The next prime is 1022221001029. The reversal of 1022221001022 is 2201001222201.

It is a junction number, because it is equal to n+sod(n) for n = 1022221000992 and 1022221001010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1022221001029) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 97796248 + ... + 97806699.

It is an arithmetic number, because the mean of its divisors is an integer number (69830252436).

Almost surely, 2^{1022221001022} is an apocalyptic number.

1022221001022 is an abundant number, since it is smaller than the sum of its proper divisors (1212347076930).

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

1022221001022 is a wasteful number, since it uses less digits than its factorization.

1022221001022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195603032.

The product of its (nonzero) digits is 64, while the sum is 15.

Adding to 1022221001022 its reverse (2201001222201), we get a palindrome (3223222223223).

The spelling of 1022221001022 in words is "one trillion, twenty-two billion, two hundred twenty-one million, one thousand, twenty-two".