9448221 has 8 divisors (see below), whose sum is σ = 12681664. Its totient is φ = 6256800.

The previous prime is 9448217. The next prime is 9448237. The reversal of 9448221 is 1228449.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 9448221 - 2² = 9448217 is a prime.

It is a Duffinian number.

9448221 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9448291) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9976 + ... + 10881.

It is an arithmetic number, because the mean of its divisors is an integer number (1585208).

Almost surely, 2^9448221 is an apocalyptic number.

It is an amenable number.

9448221 is a deficient number, since it is larger than the sum of its proper divisors (3233443).

9448221 is a wasteful number, since it uses less digits than its factorization.

9448221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21011.

The product of its digits is 4608, while the sum is 30.

The square root of 9448221 is about 3073.7958617969. The cubic root of 9448221 is about 211.4056943098.

It can be divided in two parts, 9448 and 221, that added together give a palindrome (9669).

The spelling of 9448221 in words is "nine million, four hundred forty-eight thousand, two hundred twenty-one".