622603 has 2 divisors, whose sum is σ = 622604. Its totient is φ = 622602.

The previous prime is 622577. The next prime is 622607. The reversal of 622603 is 306226.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 622603 - 2⁵ = 622571 is a prime.

It is an Ulam number.

It is equal to p₅₀₈₀₆ and since 622603 and 50806 have the same sum of digits, it is a Honaker prime.

It is not a weakly prime, because it can be changed into another prime (622607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 311301 + 311302.

It is an arithmetic number, because the mean of its divisors is an integer number (311302).

2⁶²²⁶⁰³ is an apocalyptic number.

622603 is a deficient number, since it is larger than the sum of its proper divisors (1).

622603 is an equidigital number, since it uses as much as digits as its factorization.

622603 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 622603 is about 789.0519628009. The cubic root of 622603 is about 85.3893556416.

Adding to 622603 its reverse (306226), we get a palindrome (928829).

It can be divided in two parts, 622 and 603, that added together give a triangular number (1225 = T₄₉).

The spelling of 622603 in words is "six hundred twenty-two thousand, six hundred three".