9563221 has 4 divisors (see below), whose sum is σ = 9871744. Its totient is φ = 9254700.

The previous prime is 9563173. The next prime is 9563233. The reversal of 9563221 is 1223659.

9563221 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, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1223659 = 773 ⋅1583.

It is a cyclic number.

It is not a de Polignac number, because 9563221 - 2⁷ = 9563093 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 9563221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9563261) 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, 154215 + ... + 154276.

It is an arithmetic number, because the mean of its divisors is an integer number (2467936).

Almost surely, 2^9563221 is an apocalyptic number.

It is an amenable number.

9563221 is a deficient number, since it is larger than the sum of its proper divisors (308523).

9563221 is a wasteful number, since it uses less digits than its factorization.

9563221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308522.

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

The square root of 9563221 is about 3092.4457958063. The cubic root of 9563221 is about 212.2599531589.

The spelling of 9563221 in words is "nine million, five hundred sixty-three thousand, two hundred twenty-one".