9925225 has 12 divisors (see below), whose sum is σ = 12570624. Its totient is φ = 7770320.

The previous prime is 9925219. The next prime is 9925243. The reversal of 9925225 is 5225299.

It is not a de Polignac number, because 9925225 - 2⁵ = 9925193 is a prime.

It is a Duffinian number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 3049 + ... + 5398.

It is an arithmetic number, because the mean of its divisors is an integer number (1047552).

Almost surely, 2^9925225 is an apocalyptic number.

It is an amenable number.

9925225 is a deficient number, since it is larger than the sum of its proper divisors (2645399).

9925225 is a wasteful number, since it uses less digits than its factorization.

9925225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8504 (or 8499 counting only the distinct ones).

The product of its digits is 16200, while the sum is 34.

The square root of 9925225 is about 3150.4325099897. The cubic root of 9925225 is about 214.9051321140.

The spelling of 9925225 in words is "nine million, nine hundred twenty-five thousand, two hundred twenty-five".