2221143223 has 16 divisors (see below), whose sum is σ = 2426327680. Its totient is φ = 2020951296.

The previous prime is 2221143209. The next prime is 2221143227. The reversal of 2221143223 is 3223411222.

It is not a de Polignac number, because 2221143223 - 2⁹ = 2221142711 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2221143194 and 2221143203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2221143227) 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 15 ways as a sum of consecutive naturals, for example, 776011 + ... + 778867.

It is an arithmetic number, because the mean of its divisors is an integer number (151645480).

Almost surely, 2^2221143223 is an apocalyptic number.

2221143223 is a deficient number, since it is larger than the sum of its proper divisors (205184457).

2221143223 is a wasteful number, since it uses less digits than its factorization.

2221143223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3706.

The product of its digits is 1152, while the sum is 22.

The square root of 2221143223 is about 47129.0061745418. The cubic root of 2221143223 is about 1304.7446392396.

Adding to 2221143223 its reverse (3223411222), we get a palindrome (5444554445).

The spelling of 2221143223 in words is "two billion, two hundred twenty-one million, one hundred forty-three thousand, two hundred twenty-three".