542223 has 12 divisors (see below), whose sum is σ = 854568. Its totient is φ = 328560.

The previous prime is 542219. The next prime is 542237. The reversal of 542223 is 322245.

It is not a de Polignac number, because 542223 - 2² = 542219 is a prime.

It is an Ulam number.

It is a junction number, because it is equal to n+sod(n) for n = 542196 and 542205.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 542223.

It is not an unprimeable number, because it can be changed into a prime (542263) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2640 + ... + 2837.

It is an arithmetic number, because the mean of its divisors is an integer number (71214).

2⁵⁴²²²³ is an apocalyptic number.

542223 is a deficient number, since it is larger than the sum of its proper divisors (312345).

542223 is a wasteful number, since it uses less digits than its factorization.

542223 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5494 (or 5491 counting only the distinct ones).

The product of its digits is 480, while the sum is 18.

The square root of 542223 is about 736.3579292708. The cubic root of 542223 is about 81.5441190358.

Adding to 542223 its reverse (322245), we get a palindrome (864468).

It can be divided in two parts, 5422 and 23, that added together give a palindrome (5445).

The spelling of 542223 in words is "five hundred forty-two thousand, two hundred twenty-three".