52544222 has 4 divisors (see below), whose sum is σ = 78816336. Its totient is φ = 26272110.

The previous prime is 52544203. The next prime is 52544257. The reversal of 52544222 is 22244525.

52544222 is digitally balanced in base 2, 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 junction number, because it is equal to n+sod(n) for n = 52544191 and 52544200.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 13136054 + ... + 13136057.

It is an arithmetic number, because the mean of its divisors is an integer number (19704084).

Almost surely, 2^52544222 is an apocalyptic number.

52544222 is a deficient number, since it is larger than the sum of its proper divisors (26272114).

52544222 is a wasteful number, since it uses less digits than its factorization.

52544222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26272113.

The product of its digits is 6400, while the sum is 26.

The square root of 52544222 is about 7248.7393386712. The cubic root of 52544222 is about 374.5487241143.

Adding to 52544222 its reverse (22244525), we get a palindrome (74788747).

The spelling of 52544222 in words is "fifty-two million, five hundred forty-four thousand, two hundred twenty-two".