224421040443 has 32 divisors (see below), whose sum is σ = 323333591040. Its totient is φ = 138033624960.

The previous prime is 224421040439. The next prime is 224421040457. The reversal of 224421040443 is 344040124422.

It is not a de Polignac number, because 224421040443 - 2² = 224421040439 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 224421040443.

It is not an unprimeable number, because it can be changed into a prime (224421048443) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1926405 + ... + 2039577.

It is an arithmetic number, because the mean of its divisors is an integer number (10104174720).

Almost surely, 2^224421040443 is an apocalyptic number.

224421040443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

224421040443 is a deficient number, since it is larger than the sum of its proper divisors (98912550597).

224421040443 is a wasteful number, since it uses less digits than its factorization.

224421040443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114219.

The product of its (nonzero) digits is 24576, while the sum is 30.

Adding to 224421040443 its reverse (344040124422), we get a palindrome (568461164865).

The spelling of 224421040443 in words is "two hundred twenty-four billion, four hundred twenty-one million, forty thousand, four hundred forty-three".