221313314 has 8 divisors (see below), whose sum is σ = 346403520. Its totient is φ = 105845476.

The previous prime is 221313299. The next prime is 221313341. The reversal of 221313314 is 413313122.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2405534 + ... + 2405625.

It is an arithmetic number, because the mean of its divisors is an integer number (43300440).

Almost surely, 2^221313314 is an apocalyptic number.

221313314 is a deficient number, since it is larger than the sum of its proper divisors (125090206).

221313314 is a wasteful number, since it uses less digits than its factorization.

221313314 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4811184.

The product of its digits is 432, while the sum is 20.

The square root of 221313314 is about 14876.6029052334. The cubic root of 221313314 is about 604.8799379265.

Adding to 221313314 its reverse (413313122), we get a palindrome (634626436).

The spelling of 221313314 in words is "two hundred twenty-one million, three hundred thirteen thousand, three hundred fourteen".