7885225 has 6 divisors (see below), whose sum is σ = 9777710. Its totient is φ = 6308160.

The previous prime is 7885223. The next prime is 7885259. The reversal of 7885225 is 5225887.

It can be written as a sum of positive squares in 3 ways, for example, as 361 + 7884864 = 19^2 + 2808^2 .

It is not a de Polignac number, because 7885225 - 2¹ = 7885223 is a prime.

It is not an unprimeable number, because it can be changed into a prime (7885223) 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, 157680 + ... + 157729.

Almost surely, 2^7885225 is an apocalyptic number.

It is an amenable number.

7885225 is a deficient number, since it is larger than the sum of its proper divisors (1892485).

7885225 is a wasteful number, since it uses less digits than its factorization.

7885225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 315419 (or 315414 counting only the distinct ones).

The product of its digits is 44800, while the sum is 37.

The square root of 7885225 is about 2808.0642798910. The cubic root of 7885225 is about 199.0389307940.

The spelling of 7885225 in words is "seven million, eight hundred eighty-five thousand, two hundred twenty-five".