223441443 has 16 divisors (see below), whose sum is σ = 333252000. Its totient is φ = 147958560.

The previous prime is 223441417. The next prime is 223441453. The reversal of 223441443 is 344144322.

It is a happy number.

It is not a de Polignac number, because 223441443 - 2⁵ = 223441411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (223441453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23748 + ... + 31793.

It is an arithmetic number, because the mean of its divisors is an integer number (20828250).

Almost surely, 2^223441443 is an apocalyptic number.

223441443 is a deficient number, since it is larger than the sum of its proper divisors (109810557).

223441443 is a wasteful number, since it uses less digits than its factorization.

223441443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55699 (or 55693 counting only the distinct ones).

The product of its digits is 9216, while the sum is 27.

The square root of 223441443 is about 14947.9578203847. The cubic root of 223441443 is about 606.8125801597.

Adding to 223441443 its reverse (344144322), we get a palindrome (567585765).

The spelling of 223441443 in words is "two hundred twenty-three million, four hundred forty-one thousand, four hundred forty-three".