4147225 has 12 divisors (see below), whose sum is σ = 5413840. Its totient is φ = 3142800.

The previous prime is 4147163. The next prime is 4147229. The reversal of 4147225 is 5227414.

4147225 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4147225 - 2¹¹ = 4145177 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a self number, because there is not a number n which added to its sum of digits gives 4147225.

It is not an unprimeable number, because it can be changed into a prime (4147229) 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 11 ways as a sum of consecutive naturals, for example, 3891 + ... + 4840.

Almost surely, 2^4147225 is an apocalyptic number.

It is an amenable number.

4147225 is a deficient number, since it is larger than the sum of its proper divisors (1266615).

4147225 is a wasteful number, since it uses less digits than its factorization.

4147225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8760 (or 8755 counting only the distinct ones).

The product of its digits is 2240, while the sum is 25.

The square root of 4147225 is about 2036.4736678877. The cubic root of 4147225 is about 160.6642308552.

The spelling of 4147225 in words is "four million, one hundred forty-seven thousand, two hundred twenty-five".