229905449 has 2 divisors, whose sum is σ = 229905450. Its totient is φ = 229905448.

The previous prime is 229905437. The next prime is 229905463. The reversal of 229905449 is 944509922.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 115949824 + 113955625 = 10768^2 + 10675^2 .

It is a cyclic number.

It is not a de Polignac number, because 229905449 - 2¹⁶ = 229839913 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (229905419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 114952724 + 114952725.

It is an arithmetic number, because the mean of its divisors is an integer number (114952725).

Almost surely, 2^229905449 is an apocalyptic number.

It is an amenable number.

229905449 is a deficient number, since it is larger than the sum of its proper divisors (1).

229905449 is an equidigital number, since it uses as much as digits as its factorization.

229905449 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 233280, while the sum is 44.

The square root of 229905449 is about 15162.6333135112. The cubic root of 229905449 is about 612.6085984866.

The spelling of 229905449 in words is "two hundred twenty-nine million, nine hundred five thousand, four hundred forty-nine".