9549221 has 4 divisors (see below), whose sum is σ = 10417344. Its totient is φ = 8681100.

The previous prime is 9549217. The next prime is 9549259. The reversal of 9549221 is 1229459.

9549221 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.

It is a cyclic number.

It is not a de Polignac number, because 9549221 - 2² = 9549217 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 (9549721) 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, 434045 + ... + 434066.

It is an arithmetic number, because the mean of its divisors is an integer number (2604336).

Almost surely, 2^9549221 is an apocalyptic number.

It is an amenable number.

9549221 is a deficient number, since it is larger than the sum of its proper divisors (868123).

9549221 is a wasteful number, since it uses less digits than its factorization.

9549221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868122.

The product of its digits is 6480, while the sum is 32.

The square root of 9549221 is about 3090.1813862620. The cubic root of 9549221 is about 212.1563238264.

The spelling of 9549221 in words is "nine million, five hundred forty-nine thousand, two hundred twenty-one".