9668224 has 16 divisors (see below), whose sum is σ = 19261170. Its totient is φ = 4834048.

The previous prime is 9668221. The next prime is 9668261. The reversal of 9668224 is 4228669.

It can be written as a sum of positive squares in only one way, i.e., 7617600 + 2050624 = 2760^2 + 1432^2 .

It is a tau number, because it is divible by the number of its divisors (16).

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (9668221) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37639 + ... + 37894.

Almost surely, 2^9668224 is an apocalyptic number.

It is an amenable number.

9668224 is a deficient number, since it is larger than the sum of its proper divisors (9592946).

9668224 is an equidigital number, since it uses as much as digits as its factorization.

9668224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75547 (or 75535 counting only the distinct ones).

The product of its digits is 41472, while the sum is 37.

The square root of 9668224 is about 3109.3767864316. The cubic root of 9668224 is about 213.0339898882.

The spelling of 9668224 in words is "nine million, six hundred sixty-eight thousand, two hundred twenty-four".