5642223 has 4 divisors (see below), whose sum is σ = 7522968. Its totient is φ = 3761480.

The previous prime is 5642191. The next prime is 5642227. The reversal of 5642223 is 3222465.

5642223 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 5642223 - 2⁵ = 5642191 is a prime.

It is a D-number.

5642223 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 5642193 and 5642202.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5642227) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 940368 + ... + 940373.

It is an arithmetic number, because the mean of its divisors is an integer number (1880742).

Almost surely, 2^5642223 is an apocalyptic number.

5642223 is a deficient number, since it is larger than the sum of its proper divisors (1880745).

5642223 is a wasteful number, since it uses less digits than its factorization.

5642223 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1880744.

The product of its digits is 2880, while the sum is 24.

The square root of 5642223 is about 2375.3363972288. The cubic root of 5642223 is about 178.0259925010.

Adding to 5642223 its reverse (3222465), we get a palindrome (8864688).

The spelling of 5642223 in words is "five million, six hundred forty-two thousand, two hundred twenty-three".