422558825 has 12 divisors (see below), whose sum is σ = 564278988. Its totient is φ = 312043200.

The previous prime is 422558813. The next prime is 422558887. The reversal of 422558825 is 528855224.

It can be written as a sum of positive squares in 6 ways, for example, as 169494361 + 253064464 = 13019^2 + 15908^2 .

It is not a de Polignac number, because 422558825 - 2⁸ = 422558569 is a prime.

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 11 ways as a sum of consecutive naturals, for example, 649766 + ... + 650415.

It is an arithmetic number, because the mean of its divisors is an integer number (47023249).

Almost surely, 2^422558825 is an apocalyptic number.

It is an amenable number.

422558825 is a deficient number, since it is larger than the sum of its proper divisors (141720163).

422558825 is a wasteful number, since it uses less digits than its factorization.

422558825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1300204 (or 1300199 counting only the distinct ones).

The product of its digits is 256000, while the sum is 41.

The square root of 422558825 is about 20556.2356719318. The cubic root of 422558825 is about 750.4050108785.

The spelling of 422558825 in words is "four hundred twenty-two million, five hundred fifty-eight thousand, eight hundred twenty-five".