229736880 has 120 divisors (see below), whose sum is σ = 805135968. Its totient is φ = 58595328.

The previous prime is 229736879. The next prime is 229736887. The reversal of 229736880 is 88637922.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (229736887) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 9624 + ... + 23496.

Almost surely, 2^229736880 is an apocalyptic number.

229736880 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 229736880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (402567984).

229736880 is an abundant number, since it is smaller than the sum of its proper divisors (575399088).

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

229736880 is a wasteful number, since it uses less digits than its factorization.

229736880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13915 (or 13906 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The square root of 229736880 is about 15157.0735961794. The cubic root of 229736880 is about 612.4588382723.

The spelling of 229736880 in words is "two hundred twenty-nine million, seven hundred thirty-six thousand, eight hundred eighty".