47022318 has 24 divisors (see below), whose sum is σ = 116436528. Its totient is φ = 13434912.

The previous prime is 47022299. The next prime is 47022329. The reversal of 47022318 is 81322074.

47022318 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 2×47022318² = 4422196780186248, which contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 47022291 and 47022300.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 186471 + ... + 186722.

It is an arithmetic number, because the mean of its divisors is an integer number (4851522).

Almost surely, 2^47022318 is an apocalyptic number.

47022318 is an abundant number, since it is smaller than the sum of its proper divisors (69414210).

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

47022318 is a wasteful number, since it uses less digits than its factorization.

47022318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 373208 (or 373205 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 47022318 is about 6857.2821146574. The cubic root of 47022318 is about 360.9397208049.

The spelling of 47022318 in words is "forty-seven million, twenty-two thousand, three hundred eighteen".