422445025 has 12 divisors (see below), whose sum is σ = 546607872. Its totient is φ = 323261840.

The previous prime is 422445007. The next prime is 422445061. The reversal of 422445025 is 520544224.

It is not a de Polignac number, because 422445025 - 2¹⁵ = 422412257 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 422444984 and 422445002.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 366769 + ... + 367918.

It is an arithmetic number, because the mean of its divisors is an integer number (45550656).

Almost surely, 2^422445025 is an apocalyptic number.

It is an amenable number.

422445025 is a deficient number, since it is larger than the sum of its proper divisors (124162847).

422445025 is a wasteful number, since it uses less digits than its factorization.

422445025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 734720 (or 734715 counting only the distinct ones).

The product of its (nonzero) digits is 12800, while the sum is 28.

The square root of 422445025 is about 20553.4674690185. The cubic root of 422445025 is about 750.3376405682.

Adding to 422445025 its reverse (520544224), we get a palindrome (942989249).

The spelling of 422445025 in words is "four hundred twenty-two million, four hundred forty-five thousand, twenty-five".