6722237 has 8 divisors (see below), whose sum is σ = 6945792. Its totient is φ = 6501600.

The previous prime is 6722207. The next prime is 6722239. The reversal of 6722237 is 7322276.

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

It is a cyclic number.

It is not a de Polignac number, because 6722237 - 2⁶ = 6722173 is a prime.

It is a d-powerful number, because it can be written as 6² + 7⁷ + 2³ + 2¹¹ + 2¹⁷ + 3⁶ + 7⁸ .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6722239) 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 7 ways as a sum of consecutive naturals, for example, 4562 + ... + 5852.

It is an arithmetic number, because the mean of its divisors is an integer number (868224).

Almost surely, 2^6722237 is an apocalyptic number.

It is an amenable number.

6722237 is a deficient number, since it is larger than the sum of its proper divisors (223555).

6722237 is a wasteful number, since it uses less digits than its factorization.

6722237 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1459.

The product of its digits is 7056, while the sum is 29.

The square root of 6722237 is about 2592.7277142037. The cubic root of 6722237 is about 188.7286963369.

The spelling of 6722237 in words is "six million, seven hundred twenty-two thousand, two hundred thirty-seven".