478579922 has 18 divisors (see below), whose sum is σ = 743263479. Its totient is φ = 231106860.

The previous prime is 478579901. The next prime is 478579931. The reversal of 478579922 is 229975874.

It can be written as a sum of positive squares in only one way, i.e., 239289961 + 239289961 = 15469^2 + 15469^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=15469.

It is a Duffinian 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 8 ways as a sum of consecutive naturals, for example, 958829 + ... + 959327.

Almost surely, 2^478579922 is an apocalyptic number.

478579922 is a deficient number, since it is larger than the sum of its proper divisors (264683557).

478579922 is an frugal number, since it uses more digits than its factorization.

478579922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062 (or 532 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 53.

The square root of 478579922 is about 21876.4695963494. The cubic root of 478579922 is about 782.2006242138.

The spelling of 478579922 in words is "four hundred seventy-eight million, five hundred seventy-nine thousand, nine hundred twenty-two".