5228631 has 12 divisors (see below), whose sum is σ = 7832552. Its totient is φ = 3485592.

The previous prime is 5228617. The next prime is 5228633. The reversal of 5228631 is 1368225.

5228631 is a `hidden beast` number, since 5 + 2 + 28 + 631 = 666.

It is a de Polignac number, because none of the positive numbers 2^k-5228631 is a prime.

It is a super-2 number, since 2×5228631² = 54677164268322, 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 = 5228595 and 5228604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5228633) 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 11 ways as a sum of consecutive naturals, for example, 10516 + ... + 11001.

Almost surely, 2^5228631 is an apocalyptic number.

5228631 is a deficient number, since it is larger than the sum of its proper divisors (2603921).

5228631 is an equidigital number, since it uses as much as digits as its factorization.

5228631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21532 (or 21520 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 5228631 is about 2286.6199946646. The cubic root of 5228631 is about 173.5652045583.

The spelling of 5228631 in words is "five million, two hundred twenty-eight thousand, six hundred thirty-one".