478473522 has 16 divisors (see below), whose sum is σ = 966239040. Its totient is φ = 157942512.

The previous prime is 478473509. The next prime is 478473547. The reversal of 478473522 is 225374874.

It is a happy number.

It is a super-2 number, since 2×478473522² = 457873822510168968, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 386497 + ... + 387732.

It is an arithmetic number, because the mean of its divisors is an integer number (60389940).

Almost surely, 2^478473522 is an apocalyptic number.

478473522 is an abundant number, since it is smaller than the sum of its proper divisors (487765518).

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

478473522 is a wasteful number, since it uses less digits than its factorization.

478473522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 774337.

The product of its digits is 376320, while the sum is 42.

The square root of 478473522 is about 21874.0376245448. The cubic root of 478473522 is about 782.1426524860.

The spelling of 478473522 in words is "four hundred seventy-eight million, four hundred seventy-three thousand, five hundred twenty-two".