8040229 has 2 divisors, whose sum is σ = 8040230. Its totient is φ = 8040228.

The previous prime is 8040217. The next prime is 8040239. The reversal of 8040229 is 9220408.

8040229 is nontrivially palindromic in base 3.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8008900 + 31329 = 2830^2 + 177^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8040229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8040239) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4020114 + 4020115.

It is an arithmetic number, because the mean of its divisors is an integer number (4020115).

Almost surely, 2^8040229 is an apocalyptic number.

It is an amenable number.

8040229 is a deficient number, since it is larger than the sum of its proper divisors (1).

8040229 is an equidigital number, since it uses as much as digits as its factorization.

8040229 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 8040229 is about 2835.5297565005. The cubic root of 8040229 is about 200.3346812964.

The spelling of 8040229 in words is "eight million, forty thousand, two hundred twenty-nine".