221230301 has 8 divisors (see below), whose sum is σ = 228830784. Its totient is φ = 213734880.

The previous prime is 221230297. The next prime is 221230309. The reversal of 221230301 is 103032122.

It is a happy number.

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 221230301 - 2² = 221230297 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 (221230309) 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, 21971 + ... + 30416.

It is an arithmetic number, because the mean of its divisors is an integer number (28603848).

Almost surely, 2^221230301 is an apocalyptic number.

It is an amenable number.

221230301 is a deficient number, since it is larger than the sum of its proper divisors (7600483).

221230301 is a wasteful number, since it uses less digits than its factorization.

221230301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52531.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 221230301 is about 14873.8125912625. The cubic root of 221230301 is about 604.8042997934.

Adding to 221230301 its reverse (103032122), we get a palindrome (324262423).

The spelling of 221230301 in words is "two hundred twenty-one million, two hundred thirty thousand, three hundred one".