6722289 has 12 divisors (see below), whose sum is σ = 11097216. Its totient is φ = 3841272.

The previous prime is 6722273. The next prime is 6722291. The reversal of 6722289 is 9822276.

6722289 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 6722289 - 2⁴ = 6722273 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6722239) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 53289 + ... + 53414.

It is an arithmetic number, because the mean of its divisors is an integer number (924768).

Almost surely, 2^6722289 is an apocalyptic number.

It is an amenable number.

6722289 is a deficient number, since it is larger than the sum of its proper divisors (4374927).

6722289 is a wasteful number, since it uses less digits than its factorization.

6722289 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106716 (or 106713 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 6722289 is about 2592.7377422331. The cubic root of 6722289 is about 188.7291829738.

The spelling of 6722289 in words is "six million, seven hundred twenty-two thousand, two hundred eighty-nine".