478222444 has 24 divisors (see below), whose sum is σ = 1012707360. Its totient is φ = 192896256.

The previous prime is 478222439. The next prime is 478222501. The reversal of 478222444 is 444222874.

It is an unprimeable 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 7 ways as a sum of consecutive naturals, for example, 501859 + ... + 502810.

It is an arithmetic number, because the mean of its divisors is an integer number (42196140).

Almost surely, 2^478222444 is an apocalyptic number.

It is an amenable number.

478222444 is an abundant number, since it is smaller than the sum of its proper divisors (534484916).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

478222444 is a wasteful number, since it uses less digits than its factorization.

478222444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1004697 (or 1004695 counting only the distinct ones).

The product of its digits is 114688, while the sum is 37.

The square root of 478222444 is about 21868.2976932362. The cubic root of 478222444 is about 782.0058192977.

The spelling of 478222444 in words is "four hundred seventy-eight million, two hundred twenty-two thousand, four hundred forty-four".