4201225 has 12 divisors (see below), whose sum is σ = 5953984. Its totient is φ = 2880720.

The previous prime is 4201217. The next prime is 4201243. The reversal of 4201225 is 5221024.

It is not a de Polignac number, because 4201225 - 2³ = 4201217 is a prime.

It is a Duffinian number.

4201225 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 4201199 and 4201208.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11829 + ... + 12178.

Almost surely, 2^4201225 is an apocalyptic number.

It is an amenable number.

4201225 is a deficient number, since it is larger than the sum of its proper divisors (1752759).

4201225 is a wasteful number, since it uses less digits than its factorization.

4201225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24024 (or 24019 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 16.

The square root of 4201225 is about 2049.6890007999. The cubic root of 4201225 is about 161.3585491895.

Adding to 4201225 its reverse (5221024), we get a palindrome (9422249).

The spelling of 4201225 in words is "four million, two hundred one thousand, two hundred twenty-five".