4478225 has 24 divisors (see below), whose sum is σ = 6046488. Its totient is φ = 3276800.

The previous prime is 4478203. The next prime is 4478231. The reversal of 4478225 is 5228744.

4478225 = T₂₀₆ + T₂₀₇ + ... + T₃₂₈.

4478225 is nontrivially palindromic in base 2 and base 4.

It can be written as a sum of positive squares in 12 ways, for example, as 494209 + 3984016 = 703^2 + 1996^2 .

It is not a de Polignac number, because 4478225 - 2⁶ = 4478161 is a prime.

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

Its product of digits (17920) is a multiple of the sum of its prime divisors (320).

It is a zygodrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 4478191 and 4478200.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17297 + ... + 17553.

It is an arithmetic number, because the mean of its divisors is an integer number (251937).

Almost surely, 2^4478225 is an apocalyptic number.

It is an amenable number.

4478225 is a deficient number, since it is larger than the sum of its proper divisors (1568263).

4478225 is a wasteful number, since it uses less digits than its factorization.

4478225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 320 counting only the distinct ones).

The product of its digits is 17920, while the sum is 32.

The square root of 4478225 is about 2116.1817029735. The cubic root of 4478225 is about 164.8296374455.

The spelling of 4478225 in words is "four million, four hundred seventy-eight thousand, two hundred twenty-five".