47722093218 has 64 divisors (see below), whose sum is σ = 113868944640. Its totient is φ = 14760748800.

The previous prime is 47722093187. The next prime is 47722093241. The reversal of 47722093218 is 81239022774.

47722093218 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 2×47722093218² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 300913 + ... + 431268.

It is an arithmetic number, because the mean of its divisors is an integer number (1779202260).

Almost surely, 2^47722093218 is an apocalyptic number.

47722093218 is an abundant number, since it is smaller than the sum of its proper divisors (66146851422).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

47722093218 is a wasteful number, since it uses less digits than its factorization.

47722093218 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 732280 (or 732274 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The spelling of 47722093218 in words is "forty-seven billion, seven hundred twenty-two million, ninety-three thousand, two hundred eighteen".