52224213 has 4 divisors (see below), whose sum is σ = 69632288. Its totient is φ = 34816140.

The previous prime is 52224203. The next prime is 52224247. The reversal of 52224213 is 31242225.

52224213 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52224213 - 2⁴ = 52224197 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52224213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224203) 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 3 ways as a sum of consecutive naturals, for example, 8704033 + ... + 8704038.

It is an arithmetic number, because the mean of its divisors is an integer number (17408072).

Almost surely, 2^52224213 is an apocalyptic number.

It is an amenable number.

52224213 is a deficient number, since it is larger than the sum of its proper divisors (17408075).

52224213 is a wasteful number, since it uses less digits than its factorization.

52224213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408074.

The product of its digits is 960, while the sum is 21.

The square root of 52224213 is about 7226.6322031774. The cubic root of 52224213 is about 373.7868064407.

Adding to 52224213 its reverse (31242225), we get a palindrome (83466438).

The spelling of 52224213 in words is "fifty-two million, two hundred twenty-four thousand, two hundred thirteen".