221222333440443 has 8 divisors (see below), whose sum is σ = 294963290741056. Its totient is φ = 147481465883400.

The previous prime is 221222333440417. The next prime is 221222333440447. The reversal of 221222333440443 is 344044333222122.

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

It is not a de Polignac number, because 221222333440443 - 2⁶ = 221222333440379 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221222333440447) 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, 16456453 + ... + 26706918.

It is an arithmetic number, because the mean of its divisors is an integer number (36870411342632).

Almost surely, 2^{221222333440443} is an apocalyptic number.

221222333440443 is a deficient number, since it is larger than the sum of its proper divisors (73740957300613).

221222333440443 is a wasteful number, since it uses less digits than its factorization.

221222333440443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44871785.

The product of its (nonzero) digits is 663552, while the sum is 39.

Adding to 221222333440443 its reverse (344044333222122), we get a palindrome (565266666662565).

The spelling of 221222333440443 in words is "two hundred twenty-one trillion, two hundred twenty-two billion, three hundred thirty-three million, four hundred forty thousand, four hundred forty-three".