422282225 has 12 divisors (see below), whose sum is σ = 529031244. Its totient is φ = 334341120.

The previous prime is 422282209. The next prime is 422282249. The reversal of 422282225 is 522282224.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 20720704 + 401561521 = 4552^2 + 20039^2 .

It is not a de Polignac number, because 422282225 - 2⁴ = 422282209 is a prime.

It is a Duffinian 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, 84644 + ... + 89493.

It is an arithmetic number, because the mean of its divisors is an integer number (44085937).

Almost surely, 2^422282225 is an apocalyptic number.

It is an amenable number.

422282225 is a deficient number, since it is larger than the sum of its proper divisors (106749019).

422282225 is a wasteful number, since it uses less digits than its factorization.

422282225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 174244 (or 174239 counting only the distinct ones).

The product of its digits is 10240, while the sum is 29.

The square root of 422282225 is about 20549.5066850764. The cubic root of 422282225 is about 750.2412409140.

Subtracting 422282225 from its reverse (522282224), we obtain a palindrome (99999999).

The spelling of 422282225 in words is "four hundred twenty-two million, two hundred eighty-two thousand, two hundred twenty-five".