229119820178 has 18 divisors (see below), whose sum is σ = 347676110229. Its totient is φ = 113242934992.

The previous prime is 229119820141. The next prime is 229119820183. The reversal of 229119820178 is 871028911922.

229119820178 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 204807838249 + 24311981929 = 452557^2 + 155923^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=338467.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 60245225 + ... + 60249027.

Almost surely, 2^229119820178 is an apocalyptic number.

229119820178 is a deficient number, since it is larger than the sum of its proper divisors (118556290051).

229119820178 is an frugal number, since it uses more digits than its factorization.

229119820178 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7786 (or 3894 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 50.

Multiplying 229119820178 by its sum of digits (50), we get a square (11455991008900 = 3384670²).

The spelling of 229119820178 in words is "two hundred twenty-nine billion, one hundred nineteen million, eight hundred twenty thousand, one hundred seventy-eight".