229028171 has 2 divisors, whose sum is σ = 229028172. Its totient is φ = 229028170.

The previous prime is 229028161. The next prime is 229028183. The reversal of 229028171 is 171820922.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-229028171 is a prime.

It is a super-2 number, since 2×229028171² = 104907806223210482, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (229028101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114514085 + 114514086.

It is an arithmetic number, because the mean of its divisors is an integer number (114514086).

Almost surely, 2^229028171 is an apocalyptic number.

229028171 is a deficient number, since it is larger than the sum of its proper divisors (1).

229028171 is an equidigital number, since it uses as much as digits as its factorization.

229028171 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4032, while the sum is 32.

The square root of 229028171 is about 15133.6767178369. The cubic root of 229028171 is about 611.8284037332.

The spelling of 229028171 in words is "two hundred twenty-nine million, twenty-eight thousand, one hundred seventy-one".