478944422 has 32 divisors (see below), whose sum is σ = 796003200. Its totient is φ = 214315200.

The previous prime is 478944421. The next prime is 478944437. The reversal of 478944422 is 224449874.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478944421) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 647729 + ... + 648467.

It is an arithmetic number, because the mean of its divisors is an integer number (24875100).

Almost surely, 2^478944422 is an apocalyptic number.

478944422 is a deficient number, since it is larger than the sum of its proper divisors (317058778).

478944422 is a wasteful number, since it uses less digits than its factorization.

478944422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1172.

The product of its digits is 516096, while the sum is 44.

The square root of 478944422 is about 21884.7988795876. The cubic root of 478944422 is about 782.3991558571.

The spelling of 478944422 in words is "four hundred seventy-eight million, nine hundred forty-four thousand, four hundred twenty-two".