622748611 has 2 divisors, whose sum is σ = 622748612. Its totient is φ = 622748610.

The previous prime is 622748563. The next prime is 622748663. The reversal of 622748611 is 116847226.

622748611 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 622748611 - 2⁹ = 622748099 is a prime.

It is not a weakly prime, because it can be changed into another prime (622748671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311374305 + 311374306.

It is an arithmetic number, because the mean of its divisors is an integer number (311374306).

Almost surely, 2^622748611 is an apocalyptic number.

622748611 is a deficient number, since it is larger than the sum of its proper divisors (1).

622748611 is an equidigital number, since it uses as much as digits as its factorization.

622748611 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 32256, while the sum is 37.

The square root of 622748611 is about 24954.9315967806. The cubic root of 622748611 is about 853.9601192191.

The spelling of 622748611 in words is "six hundred twenty-two million, seven hundred forty-eight thousand, six hundred eleven".