478822 has 8 divisors (see below), whose sum is σ = 760536. Its totient is φ = 225312.

The previous prime is 478813. The next prime is 478823. The reversal of 478822 is 228874.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478823) by changing a digit.

478822 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 3 ways as a sum of consecutive naturals, for example, 7008 + ... + 7075.

It is an arithmetic number, because the mean of its divisors is an integer number (95067).

2⁴⁷⁸⁸²² is an apocalyptic number.

478822 is a deficient number, since it is larger than the sum of its proper divisors (281714).

478822 is a wasteful number, since it uses less digits than its factorization.

478822 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14102.

The product of its digits is 7168, while the sum is 31.

The square root of 478822 is about 691.9696525138. The cubic root of 478822 is about 78.2332487696.

The spelling of 478822 in words is "four hundred seventy-eight thousand, eight hundred twenty-two".