6667231 has 4 divisors (see below), whose sum is σ = 6676264. Its totient is φ = 6658200.

The previous prime is 6667229. The next prime is 6667253. The reversal of 6667231 is 1327666.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 6667231 - 2¹ = 6667229 is a prime.

It is a super-2 number, since 2×6667231² = 88903938414722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 6667193 and 6667202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6667261) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3300 + ... + 4921.

It is an arithmetic number, because the mean of its divisors is an integer number (1669066).

Almost surely, 2^6667231 is an apocalyptic number.

6667231 is a deficient number, since it is larger than the sum of its proper divisors (9033).

6667231 is an equidigital number, since it uses as much as digits as its factorization.

6667231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9032.

The product of its digits is 9072, while the sum is 31.

The square root of 6667231 is about 2582.0981778391. The cubic root of 6667231 is about 188.2125162064.

The spelling of 6667231 in words is "six million, six hundred sixty-seven thousand, two hundred thirty-one".