2221222021022 has 8 divisors (see below), whose sum is σ = 3369269358000. Its totient is φ = 1098132235024.

The previous prime is 2221222021003. The next prime is 2221222021043. The reversal of 2221222021022 is 2201202221222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 2221222020985 and 2221222021003.

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 3 ways as a sum of consecutive naturals, for example, 6239387522 + ... + 6239387877.

It is an arithmetic number, because the mean of its divisors is an integer number (421158669750).

Almost surely, 2^{2221222021022} is an apocalyptic number.

2221222021022 is a deficient number, since it is larger than the sum of its proper divisors (1148047336978).

2221222021022 is a wasteful number, since it uses less digits than its factorization.

2221222021022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12478775490.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 2221222021022 its reverse (2201202221222), we get a palindrome (4422424242244).

The spelling of 2221222021022 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, twenty-one thousand, twenty-two".