8818231 has 2 divisors, whose sum is σ = 8818232. Its totient is φ = 8818230.

The previous prime is 8818211. The next prime is 8818253. The reversal of 8818231 is 1328188.

8818231 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8818231 is a prime.

It is a super-2 number, since 2×8818231² = 155522395938722, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8818193 and 8818202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8818211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4409115 + 4409116.

It is an arithmetic number, because the mean of its divisors is an integer number (4409116).

Almost surely, 2^8818231 is an apocalyptic number.

8818231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8818231 is an equidigital number, since it uses as much as digits as its factorization.

8818231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3072, while the sum is 31.

The square root of 8818231 is about 2969.5506394066. The cubic root of 8818231 is about 206.5984967093.

The spelling of 8818231 in words is "eight million, eight hundred eighteen thousand, two hundred thirty-one".