622943 has 2 divisors, whose sum is σ = 622944. Its totient is φ = 622942.

The previous prime is 622927. The next prime is 622957. The reversal of 622943 is 349226.

622943 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 is a cyclic number.

It is not a de Polignac number, because 622943 - 2⁴ = 622927 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (622043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311471 + 311472.

It is an arithmetic number, because the mean of its divisors is an integer number (311472).

2⁶²²⁹⁴³ is an apocalyptic number.

622943 is a deficient number, since it is larger than the sum of its proper divisors (1).

622943 is an equidigital number, since it uses as much as digits as its factorization.

622943 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2592, while the sum is 26.

The square root of 622943 is about 789.2673818168. The cubic root of 622943 is about 85.4048963621.

The spelling of 622943 in words is "six hundred twenty-two thousand, nine hundred forty-three".