424225 has 12 divisors (see below), whose sum is σ = 535680. Its totient is φ = 333200.

The previous prime is 424223. The next prime is 424231. The reversal of 424225 is 522424.

It is not a de Polignac number, because 424225 - 2¹ = 424223 is a prime.

It is a d-powerful number, because it can be written as 4³ + 2⁹ + 2¹⁴ + 4⁴ + 2¹⁴ + 5⁸ .

Its product of digits (640) is a multiple of the sum of its prime factors (320).

It is not an unprimeable number, because it can be changed into a prime (424223) 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, 1656 + ... + 1894.

It is an arithmetic number, because the mean of its divisors is an integer number (44640).

2⁴²⁴²²⁵ is an apocalyptic number.

It is an amenable number.

424225 is a deficient number, since it is larger than the sum of its proper divisors (111455).

424225 is a wasteful number, since it uses less digits than its factorization.

424225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320 (or 315 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 424225 is about 651.3255714311. The cubic root of 424225 is about 75.1390014813.

Adding to 424225 its reverse (522424), we get a palindrome (946649).

The spelling of 424225 in words is "four hundred twenty-four thousand, two hundred twenty-five".