622000871 has 2 divisors, whose sum is σ = 622000872. Its totient is φ = 622000870.

The previous prime is 622000837. The next prime is 622000919. The reversal of 622000871 is 178000226.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 622000871 - 2¹⁸ = 621738727 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 622000871.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622000801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311000435 + 311000436.

It is an arithmetic number, because the mean of its divisors is an integer number (311000436).

Almost surely, 2^622000871 is an apocalyptic number.

622000871 is a deficient number, since it is larger than the sum of its proper divisors (1).

622000871 is an equidigital number, since it uses as much as digits as its factorization.

622000871 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 622000871 is about 24939.9452886329. The cubic root of 622000871 is about 853.6181964026.

The spelling of 622000871 in words is "six hundred twenty-two million, eight hundred seventy-one", and thus it is an aban number.