9447225 has 12 divisors (see below), whose sum is σ = 15619536. Its totient is φ = 5038480.

The previous prime is 9447211. The next prime is 9447233. The reversal of 9447225 is 5227449.

It is not a de Polignac number, because 9447225 - 2¹⁸ = 9185081 is a prime.

It is a d-powerful number, because it can be written as 9⁴ + 4 + 4¹⁰ + 7³ + 2³ + 2²³ + 5⁵ .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 62907 + ... + 63056.

It is an arithmetic number, because the mean of its divisors is an integer number (1301628).

Almost surely, 2^9447225 is an apocalyptic number.

It is an amenable number.

9447225 is a deficient number, since it is larger than the sum of its proper divisors (6172311).

9447225 is a wasteful number, since it uses less digits than its factorization.

9447225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125976 (or 125971 counting only the distinct ones).

The product of its digits is 20160, while the sum is 33.

The square root of 9447225 is about 3073.6338428642. The cubic root of 9447225 is about 211.3982654873.

The spelling of 9447225 in words is "nine million, four hundred forty-seven thousand, two hundred twenty-five".