47218224381 has 8 divisors (see below), whose sum is σ = 62960866080. Its totient is φ = 31477199472.

The previous prime is 47218224293. The next prime is 47218224401. The reversal of 47218224381 is 18342281274.

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

It is not a de Polignac number, because 47218224381 - 2⁷ = 47218224253 is a prime.

It is a super-2 number, since 2×47218224381² (a number of 22 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (47218224481) 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, 334326 + ... + 454103.

It is an arithmetic number, because the mean of its divisors is an integer number (7870108260).

Almost surely, 2^47218224381 is an apocalyptic number.

It is an amenable number.

47218224381 is a deficient number, since it is larger than the sum of its proper divisors (15742641699).

47218224381 is a wasteful number, since it uses less digits than its factorization.

47218224381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808395.

The product of its digits is 172032, while the sum is 42.

The spelling of 47218224381 in words is "forty-seven billion, two hundred eighteen million, two hundred twenty-four thousand, three hundred eighty-one".