422448578 has 8 divisors (see below), whose sum is σ = 635737872. Its totient is φ = 210535956.

The previous prime is 422448577. The next prime is 422448671. The reversal of 422448578 is 875844224.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (422448577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 343400 + ... + 344627.

It is an arithmetic number, because the mean of its divisors is an integer number (79467234).

Almost surely, 2^422448578 is an apocalyptic number.

422448578 is a deficient number, since it is larger than the sum of its proper divisors (213289294).

422448578 is a wasteful number, since it uses less digits than its factorization.

422448578 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688336.

The product of its digits is 573440, while the sum is 44.

The square root of 422448578 is about 20553.5539019411. The cubic root of 422448578 is about 750.3397441494.

The spelling of 422448578 in words is "four hundred twenty-two million, four hundred forty-eight thousand, five hundred seventy-eight".