10232243221 has 2 divisors, whose sum is σ = 10232243222. Its totient is φ = 10232243220.

The previous prime is 10232243213. The next prime is 10232243257. The reversal of 10232243221 is 12234223201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9822990321 + 409252900 = 99111^2 + 20230^2 .

It is an emirp because it is prime and its reverse (12234223201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10232243221 - 2³ = 10232243213 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 10232243192 and 10232243201.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10232243291) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5116121610 + 5116121611.

It is an arithmetic number, because the mean of its divisors is an integer number (5116121611).

Almost surely, 2^10232243221 is an apocalyptic number.

It is an amenable number.

10232243221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10232243221 is an equidigital number, since it uses as much as digits as its factorization.

10232243221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1152, while the sum is 22.

Adding to 10232243221 its reverse (12234223201), we get a palindrome (22466466422).

The spelling of 10232243221 in words is "ten billion, two hundred thirty-two million, two hundred forty-three thousand, two hundred twenty-one".