6662243 has 4 divisors (see below), whose sum is σ = 7614000. Its totient is φ = 5710488.

The previous prime is 6662233. The next prime is 6662281. The reversal of 6662243 is 3422666.

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

It is not a de Polignac number, because 6662243 - 2⁸ = 6661987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6662233) 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 in 3 ways as a sum of consecutive naturals, for example, 475868 + ... + 475881.

It is an arithmetic number, because the mean of its divisors is an integer number (1903500).

Almost surely, 2^6662243 is an apocalyptic number.

6662243 is a deficient number, since it is larger than the sum of its proper divisors (951757).

6662243 is an equidigital number, since it uses as much as digits as its factorization.

6662243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 951756.

The product of its digits is 10368, while the sum is 29.

The square root of 6662243 is about 2581.1321159522. The cubic root of 6662243 is about 188.1655682682.

The spelling of 6662243 in words is "six million, six hundred sixty-two thousand, two hundred forty-three".