9428225 has 6 divisors (see below), whose sum is σ = 11691030. Its totient is φ = 7542560.

The previous prime is 9428213. The next prime is 9428227. The reversal of 9428225 is 5228249.

9428225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 1385329 + 8042896 = 1177^2 + 2836^2 .

It is not a de Polignac number, because 9428225 - 2¹⁴ = 9411841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9428191 and 9428200.

It is not an unprimeable number, because it can be changed into a prime (9428227) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 188540 + ... + 188589.

It is an arithmetic number, because the mean of its divisors is an integer number (1948505).

Almost surely, 2^9428225 is an apocalyptic number.

It is an amenable number.

9428225 is a deficient number, since it is larger than the sum of its proper divisors (2262805).

9428225 is a wasteful number, since it uses less digits than its factorization.

9428225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 377139 (or 377134 counting only the distinct ones).

The product of its digits is 11520, while the sum is 32.

The square root of 9428225 is about 3070.5414831915. The cubic root of 9428225 is about 211.2564509077.

The spelling of 9428225 in words is "nine million, four hundred twenty-eight thousand, two hundred twenty-five".