9967225 has 12 divisors (see below), whose sum is σ = 12420460. Its totient is φ = 7934400.

The previous prime is 9967189. The next prime is 9967249. The reversal of 9967225 is 5227699.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 646416 + 9320809 = 804^2 + 3053^2 .

It is not a de Polignac number, because 9967225 - 2¹⁷ = 9836153 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4855 + ... + 6595.

Almost surely, 2^9967225 is an apocalyptic number.

It is an amenable number.

9967225 is a deficient number, since it is larger than the sum of its proper divisors (2453235).

9967225 is a wasteful number, since it uses less digits than its factorization.

9967225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1980 (or 1975 counting only the distinct ones).

The product of its digits is 68040, while the sum is 40.

The square root of 9967225 is about 3157.0912245293. The cubic root of 9967225 is about 215.2078394002.

The spelling of 9967225 in words is "nine million, nine hundred sixty-seven thousand, two hundred twenty-five".