422530025 has 6 divisors (see below), whose sum is σ = 523937262. Its totient is φ = 338024000.

The previous prime is 422530007. The next prime is 422530027. The reversal of 422530025 is 520035224.

It can be written as a sum of positive squares in 3 ways, for example, as 130393561 + 292136464 = 11419^2 + 17092^2 .

It is not a de Polignac number, because 422530025 - 2²⁰ = 421481449 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (422530027) by changing a digit.

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 5 ways as a sum of consecutive naturals, for example, 8450576 + ... + 8450625.

It is an arithmetic number, because the mean of its divisors is an integer number (87322877).

Almost surely, 2^422530025 is an apocalyptic number.

It is an amenable number.

422530025 is a deficient number, since it is larger than the sum of its proper divisors (101407237).

422530025 is a wasteful number, since it uses less digits than its factorization.

422530025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16901211 (or 16901206 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 23.

The square root of 422530025 is about 20555.5351426325. The cubic root of 422530025 is about 750.3879622421.

Adding to 422530025 its reverse (520035224), we get a palindrome (942565249).

The spelling of 422530025 in words is "four hundred twenty-two million, five hundred thirty thousand, twenty-five".