9633221 has 8 divisors (see below), whose sum is σ = 10399704. Its totient is φ = 8870400.

The previous prime is 9633187. The next prime is 9633233. The reversal of 9633221 is 1223369.

It can be written as a sum of positive squares in 4 ways, for example, as 2070721 + 7562500 = 1439^2 + 2750^2 .

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-9633221 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9633241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7421 + ... + 8621.

It is an arithmetic number, because the mean of its divisors is an integer number (1299963).

Almost surely, 2^9633221 is an apocalyptic number.

It is an amenable number.

9633221 is a deficient number, since it is larger than the sum of its proper divisors (766483).

9633221 is a wasteful number, since it uses less digits than its factorization.

9633221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1831.

The product of its digits is 1944, while the sum is 26.

The square root of 9633221 is about 3103.7430628195. The cubic root of 9633221 is about 212.7765883967.

The spelling of 9633221 in words is "nine million, six hundred thirty-three thousand, two hundred twenty-one".