478005222 has 8 divisors (see below), whose sum is σ = 956010456. Its totient is φ = 159335072.

The previous prime is 478005191. The next prime is 478005263. The reversal of 478005222 is 222500874.

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

478005222 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 478005222.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 39833763 + ... + 39833774.

It is an arithmetic number, because the mean of its divisors is an integer number (119501307).

Almost surely, 2^478005222 is an apocalyptic number.

478005222 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.

478005222 is a wasteful number, since it uses less digits than its factorization.

478005222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79667542.

The product of its (nonzero) digits is 8960, while the sum is 30.

The square root of 478005222 is about 21863.3305331095. The cubic root of 478005222 is about 781.8873983993.

The spelling of 478005222 in words is "four hundred seventy-eight million, five thousand, two hundred twenty-two".