229795281 has 27 divisors (see below), whose sum is σ = 345096297. Its totient is φ = 147345480.

The previous prime is 229795259. The next prime is 229795297. The reversal of 229795281 is 182597922.

It is a happy number.

The square root of 229795281 is 15159.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 229795281 - 2⁹ = 229794769 is a prime.

It is a super-2 number, since 2×229795281² = 105611742339737922, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (229795081) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1409706 + ... + 1409868.

Almost surely, 2^229795281 is an apocalyptic number.

229795281 is the 15159-th square number.

229795281 is the 7580-th centered octagonal number.

It is an amenable number.

229795281 is a deficient number, since it is larger than the sum of its proper divisors (115301016).

229795281 is an equidigital number, since it uses as much as digits as its factorization.

229795281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 394 (or 197 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The cubic root of 229795281 is about 612.5107312294.

The spelling of 229795281 in words is "two hundred twenty-nine million, seven hundred ninety-five thousand, two hundred eighty-one".