9363221 has 4 divisors (see below), whose sum is σ = 10700832. Its totient is φ = 8025612.

The previous prime is 9363217. The next prime is 9363223. The reversal of 9363221 is 1223639.

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: 1223639 = 547 ⋅2237.

It is not a de Polignac number, because 9363221 - 2² = 9363217 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9363223) 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, 668795 + ... + 668808.

It is an arithmetic number, because the mean of its divisors is an integer number (2675208).

Almost surely, 2^9363221 is an apocalyptic number.

It is an amenable number.

9363221 is a deficient number, since it is larger than the sum of its proper divisors (1337611).

9363221 is a wasteful number, since it uses less digits than its factorization.

9363221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1337610.

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

The square root of 9363221 is about 3059.9380712688. The cubic root of 9363221 is about 210.7698200405.

The spelling of 9363221 in words is "nine million, three hundred sixty-three thousand, two hundred twenty-one".