473904221 has 8 divisors (see below), whose sum is σ = 546968064. Its totient is φ = 402181200.

The previous prime is 473904191. The next prime is 473904227. The reversal of 473904221 is 122409374.

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

It is a cyclic number.

It is not a de Polignac number, because 473904221 - 2⁶ = 473904157 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (473904227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 334445 + ... + 335858.

It is an arithmetic number, because the mean of its divisors is an integer number (68371008).

Almost surely, 2^473904221 is an apocalyptic number.

It is an amenable number.

473904221 is a deficient number, since it is larger than the sum of its proper divisors (73063843).

473904221 is a wasteful number, since it uses less digits than its factorization.

473904221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670411.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 473904221 is about 21769.3413083630. The cubic root of 473904221 is about 779.6449298870.

The spelling of 473904221 in words is "four hundred seventy-three million, nine hundred four thousand, two hundred twenty-one".