10032221 has 2 divisors, whose sum is σ = 10032222. Its totient is φ = 10032220.

The previous prime is 10032203. The next prime is 10032223. The reversal of 10032221 is 12223001.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8791225 + 1240996 = 2965^2 + 1114^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10032221 is a prime.

Together with 10032223, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10032223) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5016110 + 5016111.

It is an arithmetic number, because the mean of its divisors is an integer number (5016111).

Almost surely, 2^10032221 is an apocalyptic number.

It is an amenable number.

10032221 is a deficient number, since it is larger than the sum of its proper divisors (1).

10032221 is an equidigital number, since it uses as much as digits as its factorization.

10032221 is an odious number, because the sum of its binary digits is odd.

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

The square root of 10032221 is about 3167.3681503734. The cubic root of 10032221 is about 215.6746143900.

Adding to 10032221 its reverse (12223001), we get a palindrome (22255222).

The spelling of 10032221 in words is "ten million, thirty-two thousand, two hundred twenty-one".