478222329 has 8 divisors (see below), whose sum is σ = 686678272. Its totient is φ = 294290640.

The previous prime is 478222289. The next prime is 478222331. The reversal of 478222329 is 923222874.

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

It is not a de Polignac number, because 478222329 - 2¹² = 478218233 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 12262111 = 478222329 / (4 + 7 + 8 + 2 + 2 + 2 + 3 + 2 + 9).

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (478222429) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6131017 + ... + 6131094.

It is an arithmetic number, because the mean of its divisors is an integer number (85834784).

Almost surely, 2^478222329 is an apocalyptic number.

It is an amenable number.

478222329 is a deficient number, since it is larger than the sum of its proper divisors (208455943).

478222329 is a wasteful number, since it uses less digits than its factorization.

478222329 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12262127.

The product of its digits is 96768, while the sum is 39.

The square root of 478222329 is about 21868.2950638590. The cubic root of 478222329 is about 782.0057566137.

The spelling of 478222329 in words is "four hundred seventy-eight million, two hundred twenty-two thousand, three hundred twenty-nine".