8225831 has 2 divisors, whose sum is σ = 8225832. Its totient is φ = 8225830.

The previous prime is 8225827. The next prime is 8225849. The reversal of 8225831 is 1385228.

8225831 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8225831 - 2² = 8225827 is a prime.

It is a super-2 number, since 2×8225831² = 135328591281122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8225794 and 8225803.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8225431) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4112915 + 4112916.

It is an arithmetic number, because the mean of its divisors is an integer number (4112916).

Almost surely, 2^8225831 is an apocalyptic number.

8225831 is a deficient number, since it is larger than the sum of its proper divisors (1).

8225831 is an equidigital number, since it uses as much as digits as its factorization.

8225831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3840, while the sum is 29.

The square root of 8225831 is about 2868.0709544919. The cubic root of 8225831 is about 201.8644893837.

The spelling of 8225831 in words is "eight million, two hundred twenty-five thousand, eight hundred thirty-one".