8520447422 has 8 divisors (see below), whose sum is σ = 12781083000. Its totient is φ = 4260086424.

The previous prime is 8520447401. The next prime is 8520447461. The reversal of 8520447422 is 2247440258.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 49829 + ... + 139727.

It is an arithmetic number, because the mean of its divisors is an integer number (1597635375).

Almost surely, 2^8520447422 is an apocalyptic number.

8520447422 is a deficient number, since it is larger than the sum of its proper divisors (4260635578).

8520447422 is a wasteful number, since it uses less digits than its factorization.

8520447422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137290.

The product of its (nonzero) digits is 143360, while the sum is 38.

The square root of 8520447422 is about 92306.2696787168. The cubic root of 8520447422 is about 2042.4626978401.

The spelling of 8520447422 in words is "eight billion, five hundred twenty million, four hundred forty-seven thousand, four hundred twenty-two".