422546394 has 8 divisors (see below), whose sum is σ = 845092800. Its totient is φ = 140848796.

The previous prime is 422546387. The next prime is 422546413. The reversal of 422546394 is 493645224.

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

422546394 is an admirable number.

It is a Curzon number.

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 3 ways as a sum of consecutive naturals, for example, 35212194 + ... + 35212205.

It is an arithmetic number, because the mean of its divisors is an integer number (105636600).

Almost surely, 2^422546394 is an apocalyptic number.

422546394 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

422546394 is a wasteful number, since it uses less digits than its factorization.

422546394 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70424404.

The product of its digits is 207360, while the sum is 39.

The square root of 422546394 is about 20555.9333040366. The cubic root of 422546394 is about 750.3976522374.

The spelling of 422546394 in words is "four hundred twenty-two million, five hundred forty-six thousand, three hundred ninety-four".