8442275181 has 8 divisors (see below), whose sum is σ = 11258263584. Its totient is φ = 5627235120.

The previous prime is 8442275117. The next prime is 8442275251. The reversal of 8442275181 is 1815722448.

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

It is not a de Polignac number, because 8442275181 - 2⁶ = 8442275117 is a prime.

It is a super-2 number, since 2×8442275181² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8442270181) 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, 216046 + ... + 252111.

It is an arithmetic number, because the mean of its divisors is an integer number (1407282948).

Almost surely, 2^8442275181 is an apocalyptic number.

It is an amenable number.

8442275181 is a deficient number, since it is larger than the sum of its proper divisors (2815988403).

8442275181 is a wasteful number, since it uses less digits than its factorization.

8442275181 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 474171.

The product of its digits is 143360, while the sum is 42.

The square root of 8442275181 is about 91881.8544708366. The cubic root of 8442275181 is about 2036.1971944005.

The spelling of 8442275181 in words is "eight billion, four hundred forty-two million, two hundred seventy-five thousand, one hundred eighty-one".