10332221 has 4 divisors (see below), whose sum is σ = 10781472. Its totient is φ = 9882972.

The previous prime is 10332211. The next prime is 10332227. The reversal of 10332221 is 12223301.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 12223301 = 2939 ⋅4159.

It is a cyclic number.

It is not a de Polignac number, because 10332221 - 2¹⁰ = 10331197 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10332196 and 10332205.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10332227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 224591 + ... + 224636.

It is an arithmetic number, because the mean of its divisors is an integer number (2695368).

Almost surely, 2^10332221 is an apocalyptic number.

It is an amenable number.

10332221 is a deficient number, since it is larger than the sum of its proper divisors (449251).

10332221 is an equidigital number, since it uses as much as digits as its factorization.

10332221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 449250.

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

The square root of 10332221 is about 3214.3772336177. The cubic root of 10332221 is about 217.8033535163.

Adding to 10332221 its reverse (12223301), we get a palindrome (22555522).

The spelling of 10332221 in words is "ten million, three hundred thirty-two thousand, two hundred twenty-one".