8022644181 has 24 divisors (see below), whose sum is σ = 11761442784. Its totient is φ = 5269056480.

The previous prime is 8022644173. The next prime is 8022644213. The reversal of 8022644181 is 1814462208.

8022644181 is a `hidden beast` number, since 8 + 0 + 2 + 2 + 644 + 1 + 8 + 1 = 666.

It is not a de Polignac number, because 8022644181 - 2³ = 8022644173 is a prime.

It is a super-2 number, since 2×8022644181² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8022644111) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 151290 + ... + 197316.

It is an arithmetic number, because the mean of its divisors is an integer number (490060116).

Almost surely, 2^8022644181 is an apocalyptic number.

It is an amenable number.

8022644181 is a deficient number, since it is larger than the sum of its proper divisors (3738798603).

8022644181 is a wasteful number, since it uses less digits than its factorization.

8022644181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46321 (or 46318 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 36.

The square root of 8022644181 is about 89569.2144712680. The cubic root of 8022644181 is about 2001.8852374648.

The spelling of 8022644181 in words is "eight billion, twenty-two million, six hundred forty-four thousand, one hundred eighty-one".