440223443 has 8 divisors (see below), whose sum is σ = 482307696. Its totient is φ = 398483200.

The previous prime is 440223439. The next prime is 440223457. The reversal of 440223443 is 344322044.

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

It is a cyclic number.

It is not a de Polignac number, because 440223443 - 2² = 440223439 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (440223463) 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, 83318 + ... + 88443.

It is an arithmetic number, because the mean of its divisors is an integer number (60288462).

Almost surely, 2^440223443 is an apocalyptic number.

440223443 is a deficient number, since it is larger than the sum of its proper divisors (42084253).

440223443 is a wasteful number, since it uses less digits than its factorization.

440223443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172005.

The product of its (nonzero) digits is 9216, while the sum is 26.

The square root of 440223443 is about 20981.5024009245. The cubic root of 440223443 is about 760.7192193200.

Adding to 440223443 its reverse (344322044), we get a palindrome (784545487).

The spelling of 440223443 in words is "four hundred forty million, two hundred twenty-three thousand, four hundred forty-three".