221332344001 has 8 divisors (see below), whose sum is σ = 224143365600. Its totient is φ = 218524759872.

The previous prime is 221332343989. The next prime is 221332344011. The reversal of 221332344001 is 100443233122.

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 221332344001 - 2¹⁹ = 221331819713 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221332344011) 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, 729651 + ... + 987448.

It is an arithmetic number, because the mean of its divisors is an integer number (28017920700).

Almost surely, 2^221332344001 is an apocalyptic number.

It is an amenable number.

221332344001 is a deficient number, since it is larger than the sum of its proper divisors (2811021599).

221332344001 is a wasteful number, since it uses less digits than its factorization.

221332344001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718735.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 221332344001 its reverse (100443233122), we get a palindrome (321775577123).

The spelling of 221332344001 in words is "two hundred twenty-one billion, three hundred thirty-two million, three hundred forty-four thousand, one".