622003 has 6 divisors (see below), whose sum is σ = 656844. Its totient is φ = 588924.

The previous prime is 621997. The next prime is 622009. The reversal of 622003 is 300226.

It is an interprime number because it is at equal distance from previous prime (621997) and next prime (622009).

It is a de Polignac number, because none of the positive numbers 2^k-622003 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (622009) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 501 + ... + 1222.

It is an arithmetic number, because the mean of its divisors is an integer number (109474).

2⁶²²⁰⁰³ is an apocalyptic number.

622003 is a deficient number, since it is larger than the sum of its proper divisors (34841).

622003 is a wasteful number, since it uses less digits than its factorization.

622003 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1761 (or 1742 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 622003 is about 788.6716680597. The cubic root of 622003 is about 85.3619170330.

Adding to 622003 its reverse (300226), we get a palindrome (922229).

The spelling of 622003 in words is "six hundred twenty-two thousand, three".