422225 has 6 divisors (see below), whose sum is σ = 523590. Its totient is φ = 337760.

The previous prime is 422209. The next prime is 422231. The reversal of 422225 is 522224.

It can be written as a sum of positive squares in 3 ways, for example, as 1024 + 421201 = 32^2 + 649^2 .

It is not a de Polignac number, because 422225 - 2⁴ = 422209 is a prime.

It is a d-powerful number, because it can be written as 4 + 2⁵ + 2¹⁴ + 2¹⁶ + 2¹⁸ + 5⁷ .

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8420 + ... + 8469.

It is an arithmetic number, because the mean of its divisors is an integer number (87265).

2⁴²²²²⁵ is an apocalyptic number.

It is an amenable number.

422225 is a deficient number, since it is larger than the sum of its proper divisors (101365).

422225 is a wasteful number, since it uses less digits than its factorization.

422225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16899 (or 16894 counting only the distinct ones).

The product of its digits is 320, while the sum is 17.

The square root of 422225 is about 649.7884271053. The cubic root of 422225 is about 75.0207350077.

Adding to 422225 its reverse (522224), we get a palindrome (944449).

Subtracting 422225 from its reverse (522224), we obtain a palindrome (99999).

The spelling of 422225 in words is "four hundred twenty-two thousand, two hundred twenty-five".