221441443323 has 16 divisors (see below), whose sum is σ = 299688416256. Its totient is φ = 145411437600.

The previous prime is 221441443291. The next prime is 221441443357. The reversal of 221441443323 is 323344144122.

It is not a de Polignac number, because 221441443323 - 2⁵ = 221441443291 is a prime.

It is not an unprimeable number, because it can be changed into a prime (221441448323) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2601465 + ... + 2685237.

It is an arithmetic number, because the mean of its divisors is an integer number (18730526016).

Almost surely, 2^221441443323 is an apocalyptic number.

221441443323 is a deficient number, since it is larger than the sum of its proper divisors (78246972933).

221441443323 is a wasteful number, since it uses less digits than its factorization.

221441443323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96994.

The product of its digits is 55296, while the sum is 33.

Adding to 221441443323 its reverse (323344144122), we get a palindrome (544785587445).

The spelling of 221441443323 in words is "two hundred twenty-one billion, four hundred forty-one million, four hundred forty-three thousand, three hundred twenty-three".