52224820 has 24 divisors (see below), whose sum is σ = 110071584. Its totient is φ = 20813856.

The previous prime is 52224793. The next prime is 52224829. The reversal of 52224820 is 2842225.

52224820 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52224829) 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 7 ways as a sum of consecutive naturals, for example, 1047 + ... + 10273.

It is an arithmetic number, because the mean of its divisors is an integer number (4586316).

Almost surely, 2^52224820 is an apocalyptic number.

It is an amenable number.

52224820 is an abundant number, since it is smaller than the sum of its proper divisors (57846764).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

52224820 is a wasteful number, since it uses less digits than its factorization.

52224820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9519 (or 9517 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 25.

The square root of 52224820 is about 7226.6742004881. The cubic root of 52224820 is about 373.7882546050.

The spelling of 52224820 in words is "fifty-two million, two hundred twenty-four thousand, eight hundred twenty".