10230221 has 2 divisors, whose sum is σ = 10230222. Its totient is φ = 10230220.

The previous prime is 10230203. The next prime is 10230247. The reversal of 10230221 is 12203201.

It is a happy number.

10230221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8185321 + 2044900 = 2861^2 + 1430^2 .

It is a cyclic number.

It is not a de Polignac number, because 10230221 - 2¹⁴ = 10213837 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10230281) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5115110 + 5115111.

It is an arithmetic number, because the mean of its divisors is an integer number (5115111).

Almost surely, 2^10230221 is an apocalyptic number.

It is an amenable number.

10230221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10230221 is an equidigital number, since it uses as much as digits as its factorization.

10230221 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24, while the sum is 11.

The square root of 10230221 is about 3198.4716662806. The cubic root of 10230221 is about 217.0842615565.

Adding to 10230221 its reverse (12203201), we get a palindrome (22433422).

The spelling of 10230221 in words is "ten million, two hundred thirty thousand, two hundred twenty-one".