2221323223 has 8 divisors (see below), whose sum is σ = 2590464800. Its totient is φ = 1903991040.

The previous prime is 2221323211. The next prime is 2221323229. The reversal of 2221323223 is 3223231222.

It is not a de Polignac number, because 2221323223 - 2⁵ = 2221323191 is a prime.

It is a super-2 number, since 2×2221323223² = 9868553722078215458, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2221323194 and 2221323203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221323229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3237738 + ... + 3238423.

It is an arithmetic number, because the mean of its divisors is an integer number (323808100).

Almost surely, 2^2221323223 is an apocalyptic number.

2221323223 is a deficient number, since it is larger than the sum of its proper divisors (369141577).

2221323223 is an frugal number, since it uses more digits than its factorization.

2221323223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6476182 (or 6476168 counting only the distinct ones).

The product of its digits is 1728, while the sum is 22.

The square root of 2221323223 is about 47130.9157878351. The cubic root of 2221323223 is about 1304.7798835061.

Adding to 2221323223 its reverse (3223231222), we get a palindrome (5444554445).

The spelling of 2221323223 in words is "two billion, two hundred twenty-one million, three hundred twenty-three thousand, two hundred twenty-three".