9956225 has 6 divisors (see below), whose sum is σ = 12345750. Its totient is φ = 7964960.

The previous prime is 9956213. The next prime is 9956227. The reversal of 9956225 is 5226599.

It can be written as a sum of positive squares in 3 ways, for example, as 364816 + 9591409 = 604^2 + 3097^2 .

It is not a de Polignac number, because 9956225 - 2⁶ = 9956161 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9956227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 199100 + ... + 199149.

It is an arithmetic number, because the mean of its divisors is an integer number (2057625).

Almost surely, 2^9956225 is an apocalyptic number.

It is an amenable number.

9956225 is a deficient number, since it is larger than the sum of its proper divisors (2389525).

9956225 is a wasteful number, since it uses less digits than its factorization.

9956225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398259 (or 398254 counting only the distinct ones).

The product of its digits is 48600, while the sum is 38.

The square root of 9956225 is about 3155.3486336695. The cubic root of 9956225 is about 215.1286412406.

The spelling of 9956225 in words is "nine million, nine hundred fifty-six thousand, two hundred twenty-five".