221341404443 has 8 divisors (see below), whose sum is σ = 221965915248. Its totient is φ = 220717060704.

The previous prime is 221341404437. The next prime is 221341404547. The reversal of 221341404443 is 344404143122.

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 221341404443 - 2¹⁰ = 221341403419 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221341404943) 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, 2902721 + ... + 2977997.

It is an arithmetic number, because the mean of its divisors is an integer number (27745739406).

Almost surely, 2^221341404443 is an apocalyptic number.

221341404443 is a deficient number, since it is larger than the sum of its proper divisors (624510805).

221341404443 is an equidigital number, since it uses as much as digits as its factorization.

221341404443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83533.

The product of its (nonzero) digits is 36864, while the sum is 32.

Adding to 221341404443 its reverse (344404143122), we get a palindrome (565745547565).

The spelling of 221341404443 in words is "two hundred twenty-one billion, three hundred forty-one million, four hundred four thousand, four hundred forty-three".