214230221 has 8 divisors (see below), whose sum is σ = 224290080. Its totient is φ = 204348592.

The previous prime is 214230197. The next prime is 214230227. The reversal of 214230221 is 122032412.

214230221 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 a de Polignac number, because none of the positive numbers 2^k-214230221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 214230221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214230227) 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, 42095 + ... + 46908.

It is an arithmetic number, because the mean of its divisors is an integer number (28036260).

Almost surely, 2^214230221 is an apocalyptic number.

It is an amenable number.

214230221 is a deficient number, since it is larger than the sum of its proper divisors (10059859).

214230221 is an equidigital number, since it uses as much as digits as its factorization.

214230221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89115.

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 214230221 is about 14636.6055149410. The cubic root of 214230221 is about 598.3568197800.

Adding to 214230221 its reverse (122032412), we get a palindrome (336262633).

The spelling of 214230221 in words is "two hundred fourteen million, two hundred thirty thousand, two hundred twenty-one".