622673489 has 2 divisors, whose sum is σ = 622673490. Its totient is φ = 622673488.

The previous prime is 622673483. The next prime is 622673573. The reversal of 622673489 is 984376226.

622673489 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 can be written as a sum of positive squares in only one way, i.e., 620408464 + 2265025 = 24908^2 + 1505^2 .

It is a cyclic number.

It is not a de Polignac number, because 622673489 - 2⁴ = 622673473 is a prime.

It is not a weakly prime, because it can be changed into another prime (622673483) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311336744 + 311336745.

It is an arithmetic number, because the mean of its divisors is an integer number (311336745).

Almost surely, 2^622673489 is an apocalyptic number.

It is an amenable number.

622673489 is a deficient number, since it is larger than the sum of its proper divisors (1).

622673489 is an equidigital number, since it uses as much as digits as its factorization.

622673489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 870912, while the sum is 47.

The square root of 622673489 is about 24953.4263979919. The cubic root of 622673489 is about 853.9257801773.

It can be divided in two parts, 62267 and 3489, that added together give a palindrome (65756).

The spelling of 622673489 in words is "six hundred twenty-two million, six hundred seventy-three thousand, four hundred eighty-nine".