6722201 has 4 divisors (see below), whose sum is σ = 6731904. Its totient is φ = 6712500.

The previous prime is 6722173. The next prime is 6722207. The reversal of 6722201 is 1022276.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 6722201 - 2⁶ = 6722137 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 (6722207) 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, 3725 + ... + 5226.

It is an arithmetic number, because the mean of its divisors is an integer number (1682976).

Almost surely, 2^6722201 is an apocalyptic number.

6722201 is the 1160-th centered decagonal number.

It is an amenable number.

6722201 is a deficient number, since it is larger than the sum of its proper divisors (9703).

6722201 is an equidigital number, since it uses as much as digits as its factorization.

6722201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9702.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 6722201 is about 2592.7207716991. The cubic root of 6722201 is about 188.7283594329.

Adding to 6722201 its reverse (1022276), we get a palindrome (7744477).

The spelling of 6722201 in words is "six million, seven hundred twenty-two thousand, two hundred one".