229899081388 has 24 divisors (see below), whose sum is σ = 433827540720. Its totient is φ = 106243476480.

The previous prime is 229899081371. The next prime is 229899081403. The reversal of 229899081388 is 883180998922.

229899081388 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 36886981 + ... + 36893212.

It is an arithmetic number, because the mean of its divisors is an integer number (18076147530).

Almost surely, 2^229899081388 is an apocalyptic number.

It is an amenable number.

229899081388 is a deficient number, since it is larger than the sum of its proper divisors (203928459332).

229899081388 is a wasteful number, since it uses less digits than its factorization.

229899081388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73780257 (or 73780255 counting only the distinct ones).

The product of its (nonzero) digits is 35831808, while the sum is 67.

The spelling of 229899081388 in words is "two hundred twenty-nine billion, eight hundred ninety-nine million, eighty-one thousand, three hundred eighty-eight".