229985849 has 4 divisors (see below), whose sum is σ = 232021236. Its totient is φ = 227950464.

The previous prime is 229985839. The next prime is 229985867. The reversal of 229985849 is 948589922.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13690000 + 216295849 = 3700^2 + 14707^2 .

It is a cyclic number.

It is not a de Polignac number, because 229985849 - 2⁸ = 229985593 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229985794 and 229985803.

It is not an unprimeable number, because it can be changed into a prime (229985839) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1017524 + ... + 1017749.

It is an arithmetic number, because the mean of its divisors is an integer number (58005309).

Almost surely, 2^229985849 is an apocalyptic number.

It is an amenable number.

229985849 is a deficient number, since it is larger than the sum of its proper divisors (2035387).

229985849 is a wasteful number, since it uses less digits than its factorization.

229985849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2035386.

The product of its digits is 3732480, while the sum is 56.

The square root of 229985849 is about 15165.2843362728. The cubic root of 229985849 is about 612.6800017397.

The spelling of 229985849 in words is "two hundred twenty-nine million, nine hundred eighty-five thousand, eight hundred forty-nine".