229888238880 has 192 divisors, whose sum is σ = 734965902720. Its totient is φ = 60392792064.

The previous prime is 229888238831. The next prime is 229888238887. The reversal of 229888238880 is 88832888922.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (229888238887) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11823727 + ... + 11843153.

It is an arithmetic number, because the mean of its divisors is an integer number (3827947410).

Almost surely, 2^229888238880 is an apocalyptic number.

229888238880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229888238880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (367482951360).

229888238880 is an abundant number, since it is smaller than the sum of its proper divisors (505077663840).

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

229888238880 is a wasteful number, since it uses less digits than its factorization.

229888238880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19811 (or 19803 counting only the distinct ones).

The product of its (nonzero) digits is 56623104, while the sum is 66.

The spelling of 229888238880 in words is "two hundred twenty-nine billion, eight hundred eighty-eight million, two hundred thirty-eight thousand, eight hundred eighty".