478448229 has 32 divisors (see below), whose sum is σ = 764273664. Its totient is φ = 260507520.

The previous prime is 478448183. The next prime is 478448233. The reversal of 478448229 is 922844874.

It is not a de Polignac number, because 478448229 - 2²⁴ = 461671013 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (478448239) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30562 + ... + 43484.

It is an arithmetic number, because the mean of its divisors is an integer number (23883552).

Almost surely, 2^478448229 is an apocalyptic number.

It is an amenable number.

478448229 is a deficient number, since it is larger than the sum of its proper divisors (285825435).

478448229 is a wasteful number, since it uses less digits than its factorization.

478448229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13017.

The product of its digits is 1032192, while the sum is 48.

The square root of 478448229 is about 21873.4594657544. The cubic root of 478448229 is about 782.1288704049.

The spelling of 478448229 in words is "four hundred seventy-eight million, four hundred forty-eight thousand, two hundred twenty-nine".