229846217 has 2 divisors, whose sum is σ = 229846218. Its totient is φ = 229846216.

The previous prime is 229846159. The next prime is 229846237. The reversal of 229846217 is 712648922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 134119561 + 95726656 = 11581^2 + 9784^2 .

It is a cyclic number.

It is not a de Polignac number, because 229846217 - 2¹⁰ = 229845193 is a prime.

It is a super-2 number, since 2×229846217² = 105658566938422178, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229846237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114923108 + 114923109.

It is an arithmetic number, because the mean of its divisors is an integer number (114923109).

Almost surely, 2^229846217 is an apocalyptic number.

It is an amenable number.

229846217 is a deficient number, since it is larger than the sum of its proper divisors (1).

229846217 is an equidigital number, since it uses as much as digits as its factorization.

229846217 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 96768, while the sum is 41.

The square root of 229846217 is about 15160.6799649620. The cubic root of 229846217 is about 612.5559838874. Note that the first 3 decimals are identical.

The spelling of 229846217 in words is "two hundred twenty-nine million, eight hundred forty-six thousand, two hundred seventeen".