9642225 has 12 divisors (see below), whose sum is σ = 15941936. Its totient is φ = 5142480.

The previous prime is 9642223. The next prime is 9642229. The reversal of 9642225 is 5222469.

9642225 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9642225 - 2¹ = 9642223 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9642192 and 9642201.

It is not an unprimeable number, because it can be changed into a prime (9642223) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 64207 + ... + 64356.

Almost surely, 2^9642225 is an apocalyptic number.

It is an amenable number.

9642225 is a deficient number, since it is larger than the sum of its proper divisors (6299711).

9642225 is a wasteful number, since it uses less digits than its factorization.

9642225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128576 (or 128571 counting only the distinct ones).

The product of its digits is 8640, while the sum is 30.

The square root of 9642225 is about 3105.1932307024. The cubic root of 9642225 is about 212.8428605816.

The spelling of 9642225 in words is "nine million, six hundred forty-two thousand, two hundred twenty-five".