4168225 has 12 divisors (see below), whose sum is σ = 5210604. Its totient is φ = 3307520.

The previous prime is 4168223. The next prime is 4168253. The reversal of 4168225 is 5228614.

It can be written as a sum of positive squares in 6 ways, for example, as 136161 + 4032064 = 369^2 + 2008^2 .

It is not a de Polignac number, because 4168225 - 2¹ = 4168223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4168193 and 4168202.

It is not an unprimeable number, because it can be changed into a prime (4168223) 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, 2817 + ... + 4033.

It is an arithmetic number, because the mean of its divisors is an integer number (434217).

Almost surely, 2^4168225 is an apocalyptic number.

It is an amenable number.

4168225 is a deficient number, since it is larger than the sum of its proper divisors (1042379).

4168225 is a wasteful number, since it uses less digits than its factorization.

4168225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1364 (or 1359 counting only the distinct ones).

The product of its digits is 3840, while the sum is 28.

The square root of 4168225 is about 2041.6231287875. The cubic root of 4168225 is about 160.9349556578.

The spelling of 4168225 in words is "four million, one hundred sixty-eight thousand, two hundred twenty-five".