6722267 has 4 divisors (see below), whose sum is σ = 6728736. Its totient is φ = 6715800.

The previous prime is 6722263. The next prime is 6722273. The reversal of 6722267 is 7622276.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 6722267 - 2² = 6722263 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6722263) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1283 + ... + 3884.

It is an arithmetic number, because the mean of its divisors is an integer number (1682184).

Almost surely, 2^6722267 is an apocalyptic number.

6722267 is a deficient number, since it is larger than the sum of its proper divisors (6469).

6722267 is a wasteful number, since it uses less digits than its factorization.

6722267 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6468.

The product of its digits is 14112, while the sum is 32.

The square root of 6722267 is about 2592.7334996100. The cubic root of 6722267 is about 188.7289770893.

Subtracting 6722267 from its reverse (7622276), we obtain a palindrome (900009).

The spelling of 6722267 in words is "six million, seven hundred twenty-two thousand, two hundred sixty-seven".