2221222221223 has 8 divisors (see below), whose sum is σ = 2224165683600. Its totient is φ = 2218280633088.

The previous prime is 2221222221191. The next prime is 2221222221233. The reversal of 2221222221223 is 3221222221222.

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

It is a cyclic number.

It is not a de Polignac number, because 2221222221223 - 2⁵ = 2221222221191 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221222221233) 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 7 ways as a sum of consecutive naturals, for example, 1911265 + ... + 2845237.

It is an arithmetic number, because the mean of its divisors is an integer number (278020710450).

Almost surely, 2^{2221222221223} is an apocalyptic number.

2221222221223 is a deficient number, since it is larger than the sum of its proper divisors (2943462377).

2221222221223 is a wasteful number, since it uses less digits than its factorization.

2221222221223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 937121.

The product of its digits is 3072, while the sum is 25.

Adding to 2221222221223 its reverse (3221222221222), we get a palindrome (5442444442445).

Subtracting 2221222221223 from its reverse (3221222221222), we obtain a palindrome (999999999999).

The spelling of 2221222221223 in words is "two trillion, two hundred twenty-one billion, two hundred twenty-two million, two hundred twenty-one thousand, two hundred twenty-three".