229281841 has 2 divisors, whose sum is σ = 229281842. Its totient is φ = 229281840.

The previous prime is 229281821. The next prime is 229281851. The reversal of 229281841 is 148182922.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 197121600 + 32160241 = 14040^2 + 5671^2 .

It is a cyclic number.

It is not a de Polignac number, because 229281841 - 2¹¹ = 229279793 is a prime.

It is a super-2 number, since 2×229281841² = 105140325224698562, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 229281841.

It is not a weakly prime, because it can be changed into another prime (229281821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114640920 + 114640921.

It is an arithmetic number, because the mean of its divisors is an integer number (114640921).

Almost surely, 2^229281841 is an apocalyptic number.

It is an amenable number.

229281841 is a deficient number, since it is larger than the sum of its proper divisors (1).

229281841 is an equidigital number, since it uses as much as digits as its factorization.

229281841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18432, while the sum is 37.

The square root of 229281841 is about 15142.0553756747. The cubic root of 229281841 is about 612.0542060080.

The spelling of 229281841 in words is "two hundred twenty-nine million, two hundred eighty-one thousand, eight hundred forty-one".