6722665067 has 2 divisors, whose sum is σ = 6722665068. Its totient is φ = 6722665066.

The previous prime is 6722665049. The next prime is 6722665091. The reversal of 6722665067 is 7605662276.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6722665067 - 2³⁰ = 5648923243 is a prime.

It is a super-2 number, since 2×6722665067² = 90388451206124228978, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (6722665097) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3361332533 + 3361332534.

It is an arithmetic number, because the mean of its divisors is an integer number (3361332534).

Almost surely, 2^6722665067 is an apocalyptic number.

6722665067 is a deficient number, since it is larger than the sum of its proper divisors (1).

6722665067 is an equidigital number, since it uses as much as digits as its factorization.

6722665067 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1270080, while the sum is 47.

The square root of 6722665067 is about 81991.8597605884. The cubic root of 6722665067 is about 1887.3270228571.

The spelling of 6722665067 in words is "six billion, seven hundred twenty-two million, six hundred sixty-five thousand, sixty-seven".