4178225 has 12 divisors (see below), whose sum is σ = 5322204. Its totient is φ = 3251520.

The previous prime is 4178221. The next prime is 4178261. The reversal of 4178225 is 5228714.

It can be written as a sum of positive squares in 6 ways, for example, as 309136 + 3869089 = 556^2 + 1967^2 .

It is not a de Polignac number, because 4178225 - 2² = 4178221 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4178221) 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, 1334 + ... + 3183.

It is an arithmetic number, because the mean of its divisors is an integer number (443517).

Almost surely, 2^4178225 is an apocalyptic number.

It is an amenable number.

4178225 is a deficient number, since it is larger than the sum of its proper divisors (1143979).

4178225 is a wasteful number, since it uses less digits than its factorization.

4178225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564 (or 4559 counting only the distinct ones).

The product of its digits is 4480, while the sum is 29.

The square root of 4178225 is about 2044.0706934937. The cubic root of 4178225 is about 161.0635527041.

The spelling of 4178225 in words is "four million, one hundred seventy-eight thousand, two hundred twenty-five".