478228245 has 64 divisors (see below), whose sum is σ = 855429120. Its totient is φ = 226195200.

The previous prime is 478228211. The next prime is 478228253. The reversal of 478228245 is 542822874.

It is not a de Polignac number, because 478228245 - 2²¹ = 476131093 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 478228197 and 478228206.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2000836 + ... + 2001074.

It is an arithmetic number, because the mean of its divisors is an integer number (13366080).

Almost surely, 2^478228245 is an apocalyptic number.

It is an amenable number.

478228245 is a deficient number, since it is larger than the sum of its proper divisors (377200875).

478228245 is a wasteful number, since it uses less digits than its factorization.

478228245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506.

The product of its digits is 286720, while the sum is 42.

The square root of 478228245 is about 21868.4303277579. The cubic root of 478228245 is about 782.0089812832.

The spelling of 478228245 in words is "four hundred seventy-eight million, two hundred twenty-eight thousand, two hundred forty-five".