8229131 has 2 divisors, whose sum is σ = 8229132. Its totient is φ = 8229130.

The previous prime is 8229107. The next prime is 8229149. The reversal of 8229131 is 1319228.

8229131 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8229131 - 2²² = 4034827 is a prime.

It is a super-2 number, since 2×8229131² = 135437194030322, 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 8229131.

It is not a weakly prime, because it can be changed into another prime (8229161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4114565 + 4114566.

It is an arithmetic number, because the mean of its divisors is an integer number (4114566).

Almost surely, 2^8229131 is an apocalyptic number.

8229131 is a deficient number, since it is larger than the sum of its proper divisors (1).

8229131 is an equidigital number, since it uses as much as digits as its factorization.

8229131 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 26.

The square root of 8229131 is about 2868.6461963791. The cubic root of 8229131 is about 201.8914801219.

Subtracting from 8229131 its reverse (1319228), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 8229131 in words is "eight million, two hundred twenty-nine thousand, one hundred thirty-one".