478179225 has 36 divisors (see below), whose sum is σ = 858390000. Its totient is φ = 254458080.

The previous prime is 478179217. The next prime is 478179227. The reversal of 478179225 is 522971874.

It is a happy number.

478179225 is a `hidden beast` number, since 478 + 179 + 2 + 2 + 5 = 666.

It is not a de Polignac number, because 478179225 - 2³ = 478179217 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (478179227) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 110146 + ... + 114404.

Almost surely, 2^478179225 is an apocalyptic number.

478179225 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

478179225 is a deficient number, since it is larger than the sum of its proper divisors (380210775).

478179225 is a wasteful number, since it uses less digits than its factorization.

478179225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4774 (or 4766 counting only the distinct ones).

The product of its digits is 282240, while the sum is 45.

The square root of 478179225 is about 21867.3095052867. The cubic root of 478179225 is about 781.9822608553.

The spelling of 478179225 in words is "four hundred seventy-eight million, one hundred seventy-nine thousand, two hundred twenty-five".