47287922 has 64 divisors (see below), whose sum is σ = 87091200. Its totient is φ = 19010880.

The previous prime is 47287909. The next prime is 47287937. The reversal of 47287922 is 22978274.

47287922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×47287922² = 4472295134156168, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 47287922.

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 31 ways as a sum of consecutive naturals, for example, 569693 + ... + 569775.

It is an arithmetic number, because the mean of its divisors is an integer number (1360800).

Almost surely, 2^47287922 is an apocalyptic number.

47287922 is a deficient number, since it is larger than the sum of its proper divisors (39803278).

47287922 is a wasteful number, since it uses less digits than its factorization.

47287922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 112896, while the sum is 41.

The square root of 47287922 is about 6876.6214088024. The cubic root of 47287922 is about 361.6180306046.

The spelling of 47287922 in words is "forty-seven million, two hundred eighty-seven thousand, nine hundred twenty-two".