478018225 has 12 divisors (see below), whose sum is σ = 593023180. Its totient is φ = 382233600.

The previous prime is 478018217. The next prime is 478018237. The reversal of 478018225 is 522810874.

It can be written as a sum of positive squares in 6 ways, for example, as 35378704 + 442639521 = 5948^2 + 21039^2 .

It is not a de Polignac number, because 478018225 - 2³ = 478018217 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81181 + ... + 86869.

Almost surely, 2^478018225 is an apocalyptic number.

It is an amenable number.

478018225 is a deficient number, since it is larger than the sum of its proper divisors (115004955).

478018225 is a wasteful number, since it uses less digits than its factorization.

478018225 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9060 (or 9055 counting only the distinct ones).

The product of its (nonzero) digits is 35840, while the sum is 37.

The square root of 478018225 is about 21863.6279011513. The cubic root of 478018225 is about 781.8944881333.

It can be divided in two parts, 4780 and 18225, that added together give a triangular number (23005 = T₂₁₄).

The spelling of 478018225 in words is "four hundred seventy-eight million, eighteen thousand, two hundred twenty-five".