8945225 has 6 divisors (see below), whose sum is σ = 11092110. Its totient is φ = 7156160.

The previous prime is 8945221. The next prime is 8945263. The reversal of 8945225 is 5225498.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1032256 + 7912969 = 1016^2 + 2813^2 .

It is not a de Polignac number, because 8945225 - 2² = 8945221 is a prime.

It is not an unprimeable number, because it can be changed into a prime (8945221) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 178880 + ... + 178929.

It is an arithmetic number, because the mean of its divisors is an integer number (1848685).

Almost surely, 2^8945225 is an apocalyptic number.

It is an amenable number.

8945225 is a deficient number, since it is larger than the sum of its proper divisors (2146885).

8945225 is a wasteful number, since it uses less digits than its factorization.

8945225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357819 (or 357814 counting only the distinct ones).

The product of its digits is 28800, while the sum is 35.

The square root of 8945225 is about 2990.8569006223. The cubic root of 8945225 is about 207.5855359359.

The spelling of 8945225 in words is "eight million, nine hundred forty-five thousand, two hundred twenty-five".