229546878 has 64 divisors (see below), whose sum is σ = 521109504. Its totient is φ = 66780000.

The previous prime is 229546873. The next prime is 229546879. The reversal of 229546878 is 878645922.

It is a self number, because there is not a number n which added to its sum of digits gives 229546878.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229546873) 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 31 ways as a sum of consecutive naturals, for example, 308575 + ... + 309317.

It is an arithmetic number, because the mean of its divisors is an integer number (8142336).

Almost surely, 2^229546878 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229546878, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (260554752).

229546878 is an abundant number, since it is smaller than the sum of its proper divisors (291562626).

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

229546878 is a wasteful number, since it uses less digits than its factorization.

229546878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 941.

The product of its digits is 1935360, while the sum is 51.

The square root of 229546878 is about 15150.8045330933. The cubic root of 229546878 is about 612.2899486866.

The spelling of 229546878 in words is "two hundred twenty-nine million, five hundred forty-six thousand, eight hundred seventy-eight".