422326818 has 32 divisors (see below), whose sum is σ = 993712320. Its totient is φ = 132494400.

The previous prime is 422326789. The next prime is 422326829. The reversal of 422326818 is 818623224.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229108 + ... + 230943.

It is an arithmetic number, because the mean of its divisors is an integer number (31053510).

Almost surely, 2^422326818 is an apocalyptic number.

422326818 is an abundant number, since it is smaller than the sum of its proper divisors (571385502).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

422326818 is a wasteful number, since it uses less digits than its factorization.

422326818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 460079 (or 460073 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 422326818 is about 20550.5916703145. The cubic root of 422326818 is about 750.2676484744.

The spelling of 422326818 in words is "four hundred twenty-two million, three hundred twenty-six thousand, eight hundred eighteen".