4213225 has 12 divisors (see below), whose sum is σ = 5269504. Its totient is φ = 3341520.

The previous prime is 4213217. The next prime is 4213277. The reversal of 4213225 is 5223124.

It is not a de Polignac number, because 4213225 - 2³ = 4213217 is a prime.

It is a Duffinian number.

4213225 is a lucky number.

It is a congruent number.

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, 2512 + ... + 3838.

Almost surely, 2^4213225 is an apocalyptic number.

It is an amenable number.

4213225 is a deficient number, since it is larger than the sum of its proper divisors (1056279).

4213225 is a wasteful number, since it uses less digits than its factorization.

4213225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1464 (or 1459 counting only the distinct ones).

The product of its digits is 480, while the sum is 19.

The square root of 4213225 is about 2052.6141868359. The cubic root of 4213225 is about 161.5120331495.

Adding to 4213225 its reverse (5223124), we get a palindrome (9436349).

The spelling of 4213225 in words is "four million, two hundred thirteen thousand, two hundred twenty-five".