5665223 has 8 divisors (see below), whose sum is σ = 5821200. Its totient is φ = 5511168.

The previous prime is 5665217. The next prime is 5665243. The reversal of 5665223 is 3225665.

It is a happy number.

5665223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5665223 - 2⁶ = 5665159 is a prime.

It is a super-3 number, since 3×5665223³ (a number of 21 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5665213) 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 7 ways as a sum of consecutive naturals, for example, 6983 + ... + 7751.

It is an arithmetic number, because the mean of its divisors is an integer number (727650).

Almost surely, 2^5665223 is an apocalyptic number.

5665223 is a gapful number since it is divisible by the number (53) formed by its first and last digit.

5665223 is a deficient number, since it is larger than the sum of its proper divisors (155977).

5665223 is a wasteful number, since it uses less digits than its factorization.

5665223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 961.

The product of its digits is 10800, while the sum is 29.

The square root of 5665223 is about 2380.1728928798. The cubic root of 5665223 is about 178.2675667082.

The spelling of 5665223 in words is "five million, six hundred sixty-five thousand, two hundred twenty-three".