2223143 has 16 divisors (see below), whose sum is σ = 2535456. Its totient is φ = 1935360.

The previous prime is 2223119. The next prime is 2223149. The reversal of 2223143 is 3413222.

2223143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 2223143 - 2⁶ = 2223079 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 (2223149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22871 + ... + 22967.

It is an arithmetic number, because the mean of its divisors is an integer number (158466).

2^2223143 is an apocalyptic number.

2223143 is a deficient number, since it is larger than the sum of its proper divisors (312313).

2223143 is a wasteful number, since it uses less digits than its factorization.

2223143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194.

The product of its digits is 288, while the sum is 17.

The square root of 2223143 is about 1491.0207912702. The cubic root of 2223143 is about 130.5136091658.

Adding to 2223143 its reverse (3413222), we get a palindrome (5636365).

The spelling of 2223143 in words is "two million, two hundred twenty-three thousand, one hundred forty-three".