422064078 has 8 divisors (see below), whose sum is σ = 844128168. Its totient is φ = 140688024.

The previous prime is 422064073. The next prime is 422064079. The reversal of 422064078 is 870460224.

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

422064078 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (422064073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35172001 + ... + 35172012.

It is an arithmetic number, because the mean of its divisors is an integer number (105516021).

Almost surely, 2^422064078 is an apocalyptic number.

422064078 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.

422064078 is a wasteful number, since it uses less digits than its factorization.

422064078 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70344018.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 422064078 is about 20544.1981590910. The cubic root of 422064078 is about 750.1120294872.

The spelling of 422064078 in words is "four hundred twenty-two million, sixty-four thousand, seventy-eight".