8332181 has 12 divisors (see below), whose sum is σ = 9864876. Its totient is φ = 6990720.

The previous prime is 8332171. The next prime is 8332213. The reversal of 8332181 is 1812338.

It can be written as a sum of positive squares in 2 ways, for example, as 3964081 + 4368100 = 1991^2 + 2090^2 .

It is not a de Polignac number, because 8332181 - 2¹⁸ = 8070037 is a prime.

It is a super-2 number, since 2×8332181² = 138850480433522, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8332181.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8332111) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1076 + ... + 4221.

It is an arithmetic number, because the mean of its divisors is an integer number (822073).

Almost surely, 2^8332181 is an apocalyptic number.

It is an amenable number.

8332181 is a deficient number, since it is larger than the sum of its proper divisors (1532695).

8332181 is a wasteful number, since it uses less digits than its factorization.

8332181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5332 (or 5321 counting only the distinct ones).

The product of its digits is 1152, while the sum is 26.

The square root of 8332181 is about 2886.5517490598. The cubic root of 8332181 is about 202.7307211229.

The spelling of 8332181 in words is "eight million, three hundred thirty-two thousand, one hundred eighty-one".