229004287779 has 4 divisors (see below), whose sum is σ = 305339050376. Its totient is φ = 152669525184.

The previous prime is 229004287747. The next prime is 229004287781. The reversal of 229004287779 is 977782400922.

229004287779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 229004287779 - 2⁵ = 229004287747 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (229004282779) 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, 38167381294 + ... + 38167381299.

It is an arithmetic number, because the mean of its divisors is an integer number (76334762594).

Almost surely, 2^229004287779 is an apocalyptic number.

229004287779 is a deficient number, since it is larger than the sum of its proper divisors (76334762597).

229004287779 is an equidigital number, since it uses as much as digits as its factorization.

229004287779 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76334762596.

The product of its (nonzero) digits is 7112448, while the sum is 57.

The spelling of 229004287779 in words is "two hundred twenty-nine billion, four million, two hundred eighty-seven thousand, seven hundred seventy-nine".