221301313 has 8 divisors (see below), whose sum is σ = 228434976. Its totient is φ = 214250400.

The previous prime is 221301299. The next prime is 221301319. The reversal of 221301313 is 313103122.

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 221301313 - 2⁹ = 221300801 is a prime.

It is a super-2 number, since 2×221301313² = 97948542271047938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (221301319) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15231 + ... + 25972.

It is an arithmetic number, because the mean of its divisors is an integer number (28554372).

Almost surely, 2^221301313 is an apocalyptic number.

It is an amenable number.

221301313 is a deficient number, since it is larger than the sum of its proper divisors (7133663).

221301313 is a wasteful number, since it uses less digits than its factorization.

221301313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41375.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 221301313 is about 14876.1995482717. The cubic root of 221301313 is about 604.8690042639.

Adding to 221301313 its reverse (313103122), we get a palindrome (534404435).

The spelling of 221301313 in words is "two hundred twenty-one million, three hundred one thousand, three hundred thirteen".