221314403334 has 16 divisors (see below), whose sum is σ = 445599471600. Its totient is φ = 73276356960.

The previous prime is 221314403333. The next prime is 221314403363. The reversal of 221314403334 is 433304413122.

It is a happy number.

221314403334 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221314403333) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 123776737 + ... + 123778524.

It is an arithmetic number, because the mean of its divisors is an integer number (27849966975).

Almost surely, 2^221314403334 is an apocalyptic number.

221314403334 is an abundant number, since it is smaller than the sum of its proper divisors (224285068266).

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

221314403334 is a wasteful number, since it uses less digits than its factorization.

221314403334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 247555415.

The product of its (nonzero) digits is 20736, while the sum is 30.

Adding to 221314403334 its reverse (433304413122), we get a palindrome (654618816456).

The spelling of 221314403334 in words is "two hundred twenty-one billion, three hundred fourteen million, four hundred three thousand, three hundred thirty-four".