6722818 has 8 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 3343620.

The previous prime is 6722801. The next prime is 6722819. The reversal of 6722818 is 8182276.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×6722818² = 90392563722248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8418 + ... + 9181.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^6722818 is an apocalyptic number.

6722818 is a deficient number, since it is larger than the sum of its proper divisors (3414782).

6722818 is a wasteful number, since it uses less digits than its factorization.

6722818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17792.

The product of its digits is 10752, while the sum is 34.

The square root of 6722818 is about 2592.8397559433. The cubic root of 6722818 is about 188.7341334264.

The spelling of 6722818 in words is "six million, seven hundred twenty-two thousand, eight hundred eighteen".