624223 has 8 divisors (see below), whose sum is σ = 671328. Its totient is φ = 578304.

The previous prime is 624209. The next prime is 624229. The reversal of 624223 is 322426.

624223 is nontrivially palindromic in base 3.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 624223 - 2⁵ = 624191 is a prime.

It is a super-3 number, since 3×624223³ = 729693628943332701, which contains 333 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 624223.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (624229) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 990 + ... + 1492.

It is an arithmetic number, because the mean of its divisors is an integer number (83916).

2⁶²⁴²²³ is an apocalyptic number.

624223 is a deficient number, since it is larger than the sum of its proper divisors (47105).

624223 is a wasteful number, since it uses less digits than its factorization.

624223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 593.

The product of its digits is 576, while the sum is 19.

The square root of 624223 is about 790.0778442660. The cubic root of 624223 is about 85.4633519396.

Adding to 624223 its reverse (322426), we get a palindrome (946649).

The spelling of 624223 in words is "six hundred twenty-four thousand, two hundred twenty-three".