622023 has 4 divisors (see below), whose sum is σ = 829368. Its totient is φ = 414680.

The previous prime is 622019. The next prime is 622043. The reversal of 622023 is 320226.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 622023 - 2² = 622019 is a prime.

It is a super-2 number, since 2×622023² = 773825225058, which contains 22 as substring.

It is a D-number.

It is a junction number, because it is equal to n+sod(n) for n = 621993 and 622011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (622043) 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 3 ways as a sum of consecutive naturals, for example, 103668 + ... + 103673.

It is an arithmetic number, because the mean of its divisors is an integer number (207342).

2⁶²²⁰²³ is an apocalyptic number.

622023 is a deficient number, since it is larger than the sum of its proper divisors (207345).

622023 is a wasteful number, since it uses less digits than its factorization.

622023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207344.

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 622023 is about 788.6843475054. The cubic root of 622023 is about 85.3628319375.

Adding to 622023 its reverse (320226), we get a palindrome (942249).

The spelling of 622023 in words is "six hundred twenty-two thousand, twenty-three".