229278495888 has 160 divisors (see below), whose sum is σ = 739553498880. Its totient is φ = 67479920640.

The previous prime is 229278495881. The next prime is 229278495889. The reversal of 229278495888 is 888594872922.

229278495888 is a `hidden beast` number, since 229 + 278 + 4 + 9 + 58 + 88 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is not an unprimeable number, because it can be changed into a prime (229278495881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 758353 + ... + 1016688.

It is an arithmetic number, because the mean of its divisors is an integer number (4622209368).

Almost surely, 2^229278495888 is an apocalyptic number.

It is an amenable number.

229278495888 is an abundant number, since it is smaller than the sum of its proper divisors (510275002992).

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

229278495888 is a wasteful number, since it uses less digits than its factorization.

229278495888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1775094 (or 1775082 counting only the distinct ones).

The product of its digits is 371589120, while the sum is 72.

The spelling of 229278495888 in words is "two hundred twenty-nine billion, two hundred seventy-eight million, four hundred ninety-five thousand, eight hundred eighty-eight".