229878878922 has 192 divisors, whose sum is σ = 626354187264. Its totient is φ = 59193630720.

The previous prime is 229878878921. The next prime is 229878878939.

229878878922 is nontrivially palindromic in base 10.

229878878922 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (229878878921) 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 95 ways as a sum of consecutive naturals, for example, 80856433 + ... + 80859275.

It is an arithmetic number, because the mean of its divisors is an integer number (3262261392).

Almost surely, 2^229878878922 is an apocalyptic number.

229878878922 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 229878878922, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313177093632).

229878878922 is an abundant number, since it is smaller than the sum of its proper divisors (396475308342).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

229878878922 is a wasteful number, since it uses less digits than its factorization.

229878878922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3353 (or 3350 counting only the distinct ones).

The product of its digits is 260112384, while the sum is 72.

The spelling of 229878878922 in words is "two hundred twenty-nine billion, eight hundred seventy-eight million, eight hundred seventy-eight thousand, nine hundred twenty-two".