473221538 has 8 divisors (see below), whose sum is σ = 716344860. Its totient is φ = 234439920.

The previous prime is 473221523. The next prime is 473221583. The reversal of 473221538 is 835122374.

It can be written as a sum of positive squares in 2 ways, for example, as 457831609 + 15389929 = 21397^2 + 3923^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 473221498 and 473221507.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1085153 + ... + 1085588.

Almost surely, 2^473221538 is an apocalyptic number.

473221538 is a deficient number, since it is larger than the sum of its proper divisors (243123322).

473221538 is a wasteful number, since it uses less digits than its factorization.

473221538 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2170852.

The product of its digits is 40320, while the sum is 35.

The square root of 473221538 is about 21753.6557387488. The cubic root of 473221538 is about 779.2703773237.

The spelling of 473221538 in words is "four hundred seventy-three million, two hundred twenty-one thousand, five hundred thirty-eight".