478264522 has 8 divisors (see below), whose sum is σ = 729157572. Its totient is φ = 235212000.

The previous prime is 478264517. The next prime is 478264531. The reversal of 478264522 is 225462874.

It can be written as a sum of positive squares in 2 ways, for example, as 477903321 + 361201 = 21861^2 + 601^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1959979 + ... + 1960222.

Almost surely, 2^478264522 is an apocalyptic number.

478264522 is a deficient number, since it is larger than the sum of its proper divisors (250893050).

478264522 is a wasteful number, since it uses less digits than its factorization.

478264522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3920264.

The product of its digits is 215040, while the sum is 40.

The square root of 478264522 is about 21869.2597497035. The cubic root of 478264522 is about 782.0287544235.

The spelling of 478264522 in words is "four hundred seventy-eight million, two hundred sixty-four thousand, five hundred twenty-two".