5220231 has 8 divisors (see below), whose sum is σ = 7326720. Its totient is φ = 3296952.

The previous prime is 5220227. The next prime is 5220233. The reversal of 5220231 is 1320225.

5220231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5220231 - 2² = 5220227 is a prime.

It is a super-2 number, since 2×5220231² = 54501623386722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 5220231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45735 + ... + 45848.

It is an arithmetic number, because the mean of its divisors is an integer number (915840).

Almost surely, 2^5220231 is an apocalyptic number.

5220231 is a deficient number, since it is larger than the sum of its proper divisors (2106489).

5220231 is a wasteful number, since it uses less digits than its factorization.

5220231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91605.

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 5220231 is about 2284.7824841766. The cubic root of 5220231 is about 173.4722083122.

Adding to 5220231 its reverse (1320225), we get a palindrome (6540456).

The spelling of 5220231 in words is "five million, two hundred twenty thousand, two hundred thirty-one".