221313301 has 8 divisors (see below), whose sum is σ = 243033408. Its totient is φ = 199860000.

The previous prime is 221313299. The next prime is 221313341. The reversal of 221313301 is 103313122.

221313301 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 221313301 - 2¹ = 221313299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (221313341) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64960 + ... + 68281.

It is an arithmetic number, because the mean of its divisors is an integer number (30379176).

Almost surely, 2^221313301 is an apocalyptic number.

It is an amenable number.

221313301 is a deficient number, since it is larger than the sum of its proper divisors (21720107).

221313301 is a wasteful number, since it uses less digits than its factorization.

221313301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133403.

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

The square root of 221313301 is about 14876.6024683057. The cubic root of 221313301 is about 604.8799260829.

Adding to 221313301 its reverse (103313122), we get a palindrome (324626423).

The spelling of 221313301 in words is "two hundred twenty-one million, three hundred thirteen thousand, three hundred one".