5220724 has 12 divisors (see below), whose sum is σ = 9533664. Its totient is φ = 2496824.

The previous prime is 5220689. The next prime is 5220731. The reversal of 5220724 is 4270225.

It is a junction number, because it is equal to n+sod(n) for n = 5220695 and 5220704.

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 in 3 ways as a sum of consecutive naturals, for example, 28282 + ... + 28465.

It is an arithmetic number, because the mean of its divisors is an integer number (794472).

Almost surely, 2^5220724 is an apocalyptic number.

It is an amenable number.

5220724 is a deficient number, since it is larger than the sum of its proper divisors (4312940).

5220724 is a wasteful number, since it uses less digits than its factorization.

5220724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56774 (or 56772 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 22.

The square root of 5220724 is about 2284.8903693613. The cubic root of 5220724 is about 173.4776690608.

Adding to 5220724 its reverse (4270225), we get a palindrome (9490949).

The spelling of 5220724 in words is "five million, two hundred twenty thousand, seven hundred twenty-four".