422565225 has 48 divisors (see below), whose sum is σ = 742809600. Its totient is φ = 211360320.

The previous prime is 422565217. The next prime is 422565289. The reversal of 422565225 is 522565224.

It is not a de Polignac number, because 422565225 - 2³ = 422565217 is a prime.

It is a super-2 number, since 2×422565225² = 357122738758601250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 145336 + ... + 148214.

It is an arithmetic number, because the mean of its divisors is an integer number (15475200).

Almost surely, 2^422565225 is an apocalyptic number.

It is an amenable number.

422565225 is a deficient number, since it is larger than the sum of its proper divisors (320244375).

422565225 is a wasteful number, since it uses less digits than its factorization.

422565225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3014 (or 3009 counting only the distinct ones).

The product of its digits is 48000, while the sum is 33.

The square root of 422565225 is about 20556.3913418674. The cubic root of 422565225 is about 750.4087993592.

Subtracting 422565225 from its reverse (522565224), we obtain a palindrome (99999999).

The spelling of 422565225 in words is "four hundred twenty-two million, five hundred sixty-five thousand, two hundred twenty-five".