229967985 has 16 divisors (see below), whose sum is σ = 396252864. Its totient is φ = 113214912.

The previous prime is 229967981. The next prime is 229968019. The reversal of 229967985 is 589769922.

It is not a de Polignac number, because 229967985 - 2² = 229967981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (229967981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 589467 + ... + 589856.

It is an arithmetic number, because the mean of its divisors is an integer number (24765804).

Almost surely, 2^229967985 is an apocalyptic number.

It is an amenable number.

229967985 is a deficient number, since it is larger than the sum of its proper divisors (166284879).

229967985 is a wasteful number, since it uses less digits than its factorization.

229967985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1179344.

The product of its digits is 4898880, while the sum is 57.

The square root of 229967985 is about 15164.6953480774. The cubic root of 229967985 is about 612.6641381565.

The spelling of 229967985 in words is "two hundred twenty-nine million, nine hundred sixty-seven thousand, nine hundred eighty-five".