221434310344 has 16 divisors (see below), whose sum is σ = 447126973020. Its totient is φ = 102200450880.

The previous prime is 221434310327. The next prime is 221434310359. The reversal of 221434310344 is 443013434122.

221434310344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 184891400100 + 36542910244 = 429990^2 + 191162^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1064587927 + ... + 1064588134.

Almost surely, 2^221434310344 is an apocalyptic number.

It is an amenable number.

221434310344 is an abundant number, since it is smaller than the sum of its proper divisors (225692662676).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

221434310344 is a wasteful number, since it uses less digits than its factorization.

221434310344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2129176080 (or 2129176076 counting only the distinct ones).

The product of its (nonzero) digits is 27648, while the sum is 31.

Adding to 221434310344 its reverse (443013434122), we get a palindrome (664447744466).

The spelling of 221434310344 in words is "two hundred twenty-one billion, four hundred thirty-four million, three hundred ten thousand, three hundred forty-four".