5220057231 has 24 divisors (see below), whose sum is σ = 7899992464. Its totient is φ = 3444145920.

The previous prime is 5220057223. The next prime is 5220057259. The reversal of 5220057231 is 1327500225.

It is not a de Polignac number, because 5220057231 - 2³ = 5220057223 is a prime.

It is a super-2 number, since 2×5220057231² = 54497994989830774722, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5220057195 and 5220057204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5220057211) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 87160 + ... + 134301.

Almost surely, 2^5220057231 is an apocalyptic number.

5220057231 is a deficient number, since it is larger than the sum of its proper divisors (2679935233).

5220057231 is an equidigital number, since it uses as much as digits as its factorization.

5220057231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221573 (or 221561 counting only the distinct ones).

The product of its (nonzero) digits is 4200, while the sum is 27.

The square root of 5220057231 is about 72249.9635363230. The cubic root of 5220057231 is about 1734.7028346593.

Adding to 5220057231 its reverse (1327500225), we get a palindrome (6547557456).

The spelling of 5220057231 in words is "five billion, two hundred twenty million, fifty-seven thousand, two hundred thirty-one".