47422215881 has 8 divisors (see below), whose sum is σ = 50117004000. Its totient is φ = 44747316000.

The previous prime is 47422215839. The next prime is 47422215941. The reversal of 47422215881 is 18851222474.

47422215881 = 453² + 454² + ... + 5221².

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

It is a cyclic number.

It is not a de Polignac number, because 47422215881 - 2¹⁰ = 47422214857 is a prime.

It is a super-2 number, since 2×47422215881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (47422215481) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4967156 + ... + 4976693.

It is an arithmetic number, because the mean of its divisors is an integer number (6264625500).

Almost surely, 2^47422215881 is an apocalyptic number.

It is an amenable number.

47422215881 is a deficient number, since it is larger than the sum of its proper divisors (2694788119).

47422215881 is a wasteful number, since it uses less digits than its factorization.

47422215881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9944119.

The product of its digits is 286720, while the sum is 44.

The spelling of 47422215881 in words is "forty-seven billion, four hundred twenty-two million, two hundred fifteen thousand, eight hundred eighty-one".