10532221 has 8 divisors (see below), whose sum is σ = 12202304. Its totient is φ = 8903520.

The previous prime is 10532177. The next prime is 10532227. The reversal of 10532221 is 12223501.

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-10532221 is a prime.

It is a super-2 number, since 2×10532221² = 221855358385682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 10532195 and 10532204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10532227) 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 7 ways as a sum of consecutive naturals, for example, 9795 + ... + 10816.

It is an arithmetic number, because the mean of its divisors is an integer number (1525288).

Almost surely, 2^10532221 is an apocalyptic number.

It is an amenable number.

10532221 is a deficient number, since it is larger than the sum of its proper divisors (1670083).

10532221 is an equidigital number, since it uses as much as digits as its factorization.

10532221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20691.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10532221 is about 3245.3383490786. The cubic root of 10532221 is about 219.1997163426.

Adding to 10532221 its reverse (12223501), we get a palindrome (22755722).

The spelling of 10532221 in words is "ten million, five hundred thirty-two thousand, two hundred twenty-one".