622676653 has 2 divisors, whose sum is σ = 622676654. Its totient is φ = 622676652.

The previous prime is 622676609. The next prime is 622676671. The reversal of 622676653 is 356676226.

622676653 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 472540644 + 150136009 = 21738^2 + 12253^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-622676653 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622676753) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311338326 + 311338327.

It is an arithmetic number, because the mean of its divisors is an integer number (311338327).

Almost surely, 2^622676653 is an apocalyptic number.

It is an amenable number.

622676653 is a deficient number, since it is larger than the sum of its proper divisors (1).

622676653 is an equidigital number, since it uses as much as digits as its factorization.

622676653 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 544320, while the sum is 43.

The square root of 622676653 is about 24953.4897960185. The cubic root of 622676653 is about 853.9272265301.

The spelling of 622676653 in words is "six hundred twenty-two million, six hundred seventy-six thousand, six hundred fifty-three".