229699039 has 4 divisors (see below), whose sum is σ = 230278024. Its totient is φ = 229120056.

The previous prime is 229699033. The next prime is 229699049. The reversal of 229699039 is 930996922.

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

It is a cyclic number.

It is not a de Polignac number, because 229699039 - 2¹¹ = 229696991 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229698983 and 229699001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229699033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288897 + ... + 289690.

It is an arithmetic number, because the mean of its divisors is an integer number (57569506).

Almost surely, 2^229699039 is an apocalyptic number.

229699039 is a deficient number, since it is larger than the sum of its proper divisors (578985).

229699039 is an equidigital number, since it uses as much as digits as its factorization.

229699039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578984.

The product of its (nonzero) digits is 472392, while the sum is 49.

The square root of 229699039 is about 15155.8252497183. The cubic root of 229699039 is about 612.4252094713.

The spelling of 229699039 in words is "two hundred twenty-nine million, six hundred ninety-nine thousand, thirty-nine".