229641233 has 2 divisors, whose sum is σ = 229641234. Its totient is φ = 229641232.

The previous prime is 229641187. The next prime is 229641257. The reversal of 229641233 is 332146922.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 215854864 + 13786369 = 14692^2 + 3713^2 .

It is a cyclic number.

It is not a de Polignac number, because 229641233 - 2⁸ = 229640977 is a prime.

It is a Chen prime.

It is equal to p_12623819 and since 229641233 and 12623819 have the same sum of digits, it is a Honaker prime.

It is a self number, because there is not a number n which added to its sum of digits gives 229641233.

It is not a weakly prime, because it can be changed into another prime (229601233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114820616 + 114820617.

It is an arithmetic number, because the mean of its divisors is an integer number (114820617).

Almost surely, 2^229641233 is an apocalyptic number.

It is an amenable number.

229641233 is a deficient number, since it is larger than the sum of its proper divisors (1).

229641233 is an equidigital number, since it uses as much as digits as its factorization.

229641233 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552, while the sum is 32.

The square root of 229641233 is about 15153.9180742143. The cubic root of 229641233 is about 612.3738309051.

The spelling of 229641233 in words is "two hundred twenty-nine million, six hundred forty-one thousand, two hundred thirty-three".