810490229 has 2 divisors, whose sum is σ = 810490230. Its totient is φ = 810490228.

The previous prime is 810490129. The next prime is 810490259. The reversal of 810490229 is 922094018.

810490229 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 616528900 + 193961329 = 24830^2 + 13927^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-810490229 is a prime.

It is a super-2 number, since 2×810490229² = 1313788822608944882, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (810490259) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 405245114 + 405245115.

It is an arithmetic number, because the mean of its divisors is an integer number (405245115).

Almost surely, 2^810490229 is an apocalyptic number.

It is an amenable number.

810490229 is a deficient number, since it is larger than the sum of its proper divisors (1).

810490229 is an equidigital number, since it uses as much as digits as its factorization.

810490229 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 810490229 is about 28469.1100844406. The cubic root of 810490229 is about 932.3577700930.

The spelling of 810490229 in words is "eight hundred ten million, four hundred ninety thousand, two hundred twenty-nine".