2223145443 has 16 divisors (see below), whose sum is σ = 2989040256. Its totient is φ = 1469697600.

The previous prime is 2223145387. The next prime is 2223145447. The reversal of 2223145443 is 3445413222.

It is not a de Polignac number, because 2223145443 - 2⁸ = 2223145187 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2223145443.

It is not an unprimeable number, because it can be changed into a prime (2223145447) 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, 475668 + ... + 480318.

It is an arithmetic number, because the mean of its divisors is an integer number (186815016).

Almost surely, 2^2223145443 is an apocalyptic number.

2223145443 is a deficient number, since it is larger than the sum of its proper divisors (765894813).

2223145443 is a wasteful number, since it uses less digits than its factorization.

2223145443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5954.

The product of its digits is 23040, while the sum is 30.

The square root of 2223145443 is about 47150.2432973574. The cubic root of 2223145443 is about 1305.1365697269.

Adding to 2223145443 its reverse (3445413222), we get a palindrome (5668558665).

The spelling of 2223145443 in words is "two billion, two hundred twenty-three million, one hundred forty-five thousand, four hundred forty-three".