478220206 has 8 divisors (see below), whose sum is σ = 732592800. Its totient is φ = 234022608.

The previous prime is 478220201. The next prime is 478220221. The reversal of 478220206 is 602022874.

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 (478220201) 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, 2543631 + ... + 2543818.

It is an arithmetic number, because the mean of its divisors is an integer number (91574100).

Almost surely, 2^478220206 is an apocalyptic number.

478220206 is a deficient number, since it is larger than the sum of its proper divisors (254372594).

478220206 is a wasteful number, since it uses less digits than its factorization.

478220206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5087498.

The product of its (nonzero) digits is 10752, while the sum is 31.

The square root of 478220206 is about 21868.2465232126. The cubic root of 478220206 is about 782.0045994109.

The spelling of 478220206 in words is "four hundred seventy-eight million, two hundred twenty thousand, two hundred six".