2231021222022 has 16 divisors (see below), whose sum is σ = 4462057829952. Its totient is φ = 743671176360.

The previous prime is 2231021221999. The next prime is 2231021222047. The reversal of 2231021222022 is 2202221201322.

It is a super-3 number, since 3×2231021222022³ (a number of 38 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 2231021222022.

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 7 ways as a sum of consecutive naturals, for example, 2239897 + ... + 3078827.

It is an arithmetic number, because the mean of its divisors is an integer number (278878614372).

Almost surely, 2^{2231021222022} is an apocalyptic number.

2231021222022 is an abundant number, since it is smaller than the sum of its proper divisors (2231036607930).

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

2231021222022 is a wasteful number, since it uses less digits than its factorization.

2231021222022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1282163.

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 2231021222022 its reverse (2202221201322), we get a palindrome (4433242423344).

The spelling of 2231021222022 in words is "two trillion, two hundred thirty-one billion, twenty-one million, two hundred twenty-two thousand, twenty-two".