47317922 has 16 divisors (see below), whose sum is σ = 71910720. Its totient is φ = 23350032.

The previous prime is 47317913. The next prime is 47317927. The reversal of 47317922 is 22971374.

It is not an unprimeable number, because it can be changed into a prime (47317927) 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, 55979 + ... + 56817.

It is an arithmetic number, because the mean of its divisors is an integer number (4494420).

Almost surely, 2^47317922 is an apocalyptic number.

47317922 is a deficient number, since it is larger than the sum of its proper divisors (24592798).

47317922 is a wasteful number, since it uses less digits than its factorization.

47317922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1177.

The product of its digits is 21168, while the sum is 35.

The square root of 47317922 is about 6878.8023666915. The cubic root of 47317922 is about 361.6944859807.

The spelling of 47317922 in words is "forty-seven million, three hundred seventeen thousand, nine hundred twenty-two".