542224 has 10 divisors (see below), whose sum is σ = 1050590. Its totient is φ = 271104.

The previous prime is 542219. The next prime is 542237. The reversal of 542224 is 422245.

It can be written as a sum of positive squares in only one way, i.e., 535824 + 6400 = 732^2 + 80^2 .

It is an unprimeable number.

542224 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16929 + ... + 16960.

It is an arithmetic number, because the mean of its divisors is an integer number (105059).

2⁵⁴²²²⁴ is an apocalyptic number.

It is an amenable number.

542224 is a deficient number, since it is larger than the sum of its proper divisors (508366).

542224 is a wasteful number, since it uses less digits than its factorization.

542224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33897 (or 33891 counting only the distinct ones).

The product of its digits is 640, while the sum is 19.

The square root of 542224 is about 736.3586082881. The cubic root of 542224 is about 81.5441691653.

Adding to 542224 its reverse (422245), we get a palindrome (964469).

It can be divided in two parts, 54 and 2224, that added together give a triangular number (2278 = T₆₇).

The spelling of 542224 in words is "five hundred forty-two thousand, two hundred twenty-four".