10634221 has 4 divisors (see below), whose sum is σ = 11452252. Its totient is φ = 9816192.

The previous prime is 10634203. The next prime is 10634233. The reversal of 10634221 is 12243601.

10634221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1550025 + 9084196 = 1245^2 + 3014^2 .

It is a cyclic number.

It is not a de Polignac number, because 10634221 - 2⁹ = 10633709 is a prime.

It is a super-2 number, since 2×10634221² = 226173312553682, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10634251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408996 + ... + 409021.

It is an arithmetic number, because the mean of its divisors is an integer number (2863063).

Almost surely, 2^10634221 is an apocalyptic number.

It is an amenable number.

10634221 is a deficient number, since it is larger than the sum of its proper divisors (818031).

10634221 is an equidigital number, since it uses as much as digits as its factorization.

10634221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818030.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 10634221 is about 3261.0153326840. The cubic root of 10634221 is about 219.9050623428.

Adding to 10634221 its reverse (12243601), we get a palindrome (22877822).

The spelling of 10634221 in words is "ten million, six hundred thirty-four thousand, two hundred twenty-one".