9449221 has 2 divisors, whose sum is σ = 9449222. Its totient is φ = 9449220.

The previous prime is 9449201. The next prime is 9449243. The reversal of 9449221 is 1229449.

It is a happy number.

9449221 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8208225 + 1240996 = 2865^2 + 1114^2 .

It is a cyclic number.

It is not a de Polignac number, because 9449221 - 2⁵ = 9449189 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9449201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4724610 + 4724611.

It is an arithmetic number, because the mean of its divisors is an integer number (4724611).

Almost surely, 2^9449221 is an apocalyptic number.

It is an amenable number.

9449221 is a deficient number, since it is larger than the sum of its proper divisors (1).

9449221 is an equidigital number, since it uses as much as digits as its factorization.

9449221 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5184, while the sum is 31.

The square root of 9449221 is about 3073.9585228171. The cubic root of 9449221 is about 211.4131524418.

The spelling of 9449221 in words is "nine million, four hundred forty-nine thousand, two hundred twenty-one".