9536221 has 4 divisors (see below), whose sum is σ = 9546012. Its totient is φ = 9526432.

The previous prime is 9536213. The next prime is 9536227. The reversal of 9536221 is 1226359.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 1226359 = 109 ⋅11251.

It can be written as a sum of positive squares in 2 ways, for example, as 1413721 + 8122500 = 1189^2 + 2850^2 .

It is a cyclic number.

It is not a de Polignac number, because 9536221 - 2³ = 9536213 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 9536221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9536227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3250 + ... + 5443.

It is an arithmetic number, because the mean of its divisors is an integer number (2386503).

Almost surely, 2^9536221 is an apocalyptic number.

It is an amenable number.

9536221 is a deficient number, since it is larger than the sum of its proper divisors (9791).

9536221 is a wasteful number, since it uses less digits than its factorization.

9536221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9790.

The product of its digits is 3240, while the sum is 28.

The square root of 9536221 is about 3088.0772334901. The cubic root of 9536221 is about 212.0600058572.

The spelling of 9536221 in words is "nine million, five hundred thirty-six thousand, two hundred twenty-one".