722662667 has 2 divisors, whose sum is σ = 722662668. Its totient is φ = 722662666.

The previous prime is 722662643. The next prime is 722662747. The reversal of 722662667 is 766266227.

722662667 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 722662667 - 2⁸ = 722662411 is a prime.

It is not a weakly prime, because it can be changed into another prime (722662867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 361331333 + 361331334.

It is an arithmetic number, because the mean of its divisors is an integer number (361331334).

Almost surely, 2^722662667 is an apocalyptic number.

722662667 is a deficient number, since it is larger than the sum of its proper divisors (1).

722662667 is an equidigital number, since it uses as much as digits as its factorization.

722662667 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 508032, while the sum is 44.

The square root of 722662667 is about 26882.3858130189. The cubic root of 722662667 is about 897.3844501732.

The spelling of 722662667 in words is "seven hundred twenty-two million, six hundred sixty-two thousand, six hundred sixty-seven".