223444443 has 8 divisors (see below), whose sum is σ = 305978128. Its totient is φ = 144936864.

The previous prime is 223444409. The next prime is 223444453. The reversal of 223444443 is 344444322.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 223444443 - 2¹⁶ = 223378907 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 223444443.

It is not an unprimeable number, because it can be changed into a prime (223444453) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1006396 + ... + 1006617.

It is an arithmetic number, because the mean of its divisors is an integer number (38247266).

Almost surely, 2^223444443 is an apocalyptic number.

223444443 is a deficient number, since it is larger than the sum of its proper divisors (82533685).

223444443 is a wasteful number, since it uses less digits than its factorization.

223444443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2013053.

The product of its digits is 36864, while the sum is 30.

The square root of 223444443 is about 14948.0581682037. The cubic root of 223444443 is about 606.8152959042.

Adding to 223444443 its reverse (344444322), we get a palindrome (567888765).

The spelling of 223444443 in words is "two hundred twenty-three million, four hundred forty-four thousand, four hundred forty-three".