8802181 has 2 divisors, whose sum is σ = 8802182. Its totient is φ = 8802180.

The previous prime is 8802179. The next prime is 8802191. The reversal of 8802181 is 1812088.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7784100 + 1018081 = 2790^2 + 1009^2 .

It is a cyclic number.

It is not a de Polignac number, because 8802181 - 2¹ = 8802179 is a prime.

It is a super-2 number, since 2×8802181² = 154956780713522, which contains 22 as substring.

Together with 8802179, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8802161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4401090 + 4401091.

It is an arithmetic number, because the mean of its divisors is an integer number (4401091).

Almost surely, 2^8802181 is an apocalyptic number.

It is an amenable number.

8802181 is a deficient number, since it is larger than the sum of its proper divisors (1).

8802181 is an equidigital number, since it uses as much as digits as its factorization.

8802181 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1024, while the sum is 28.

The square root of 8802181 is about 2966.8469795391. The cubic root of 8802181 is about 206.4730777652.

The spelling of 8802181 in words is "eight million, eight hundred two thousand, one hundred eighty-one".