4238225 has 12 divisors (see below), whose sum is σ = 5368704. Its totient is φ = 3317520.

The previous prime is 4238189. The next prime is 4238231. The reversal of 4238225 is 5228324.

It is a de Polignac number, because none of the positive numbers 2^k-4238225 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4238194 and 4238203.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 629 + ... + 2978.

It is an arithmetic number, because the mean of its divisors is an integer number (447392).

Almost surely, 2^4238225 is an apocalyptic number.

It is an amenable number.

4238225 is a deficient number, since it is larger than the sum of its proper divisors (1130479).

4238225 is a wasteful number, since it uses less digits than its factorization.

4238225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3664 (or 3659 counting only the distinct ones).

The product of its digits is 3840, while the sum is 26.

The square root of 4238225 is about 2058.6949749781. The cubic root of 4238225 is about 161.8308578575.

Subtracting 4238225 from its reverse (5228324), we obtain a palindrome (990099).

The spelling of 4238225 in words is "four million, two hundred thirty-eight thousand, two hundred twenty-five".