221330014 has 16 divisors (see below), whose sum is σ = 342904752. Its totient is φ = 107085888.

The previous prime is 221329991. The next prime is 221330047. The reversal of 221330014 is 410033122.

It is a happy number.

221330014 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 221330014.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6564 + ... + 22039.

It is an arithmetic number, because the mean of its divisors is an integer number (21431547).

Almost surely, 2^221330014 is an apocalyptic number.

221330014 is a deficient number, since it is larger than the sum of its proper divisors (121574738).

221330014 is a wasteful number, since it uses less digits than its factorization.

221330014 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28731.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 221330014 is about 14877.1641787002. The cubic root of 221330014 is about 604.8951520148.

Adding to 221330014 its reverse (410033122), we get a palindrome (631363136).

The spelling of 221330014 in words is "two hundred twenty-one million, three hundred thirty thousand, fourteen".