229905448 has 8 divisors (see below), whose sum is σ = 431072730. Its totient is φ = 114952720.

The previous prime is 229905437. The next prime is 229905449. The reversal of 229905448 is 844509922.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 191490244 + 38415204 = 13838^2 + 6198^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (229905449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14369083 + ... + 14369098.

Almost surely, 2^229905448 is an apocalyptic number.

It is an amenable number.

229905448 is a deficient number, since it is larger than the sum of its proper divisors (201167282).

229905448 is a wasteful number, since it uses less digits than its factorization.

229905448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28738187 (or 28738183 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 229905448 is about 15162.6332805354. The cubic root of 229905448 is about 612.6085975984.

The spelling of 229905448 in words is "two hundred twenty-nine million, nine hundred five thousand, four hundred forty-eight".