229992288 has 96 divisors (see below), whose sum is σ = 627927552. Its totient is φ = 73651200.

The previous prime is 229992263. The next prime is 229992293. The reversal of 229992288 is 882299922.

It is a tau number, because it is divible by the number of its divisors (96).

It is a zygodrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 229992288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 279045 + ... + 279867.

It is an arithmetic number, because the mean of its divisors is an integer number (6540912).

Almost surely, 2^229992288 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229992288, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (313963776).

229992288 is an abundant number, since it is smaller than the sum of its proper divisors (397935264).

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

229992288 is a wasteful number, since it uses less digits than its factorization.

229992288 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 948 (or 940 counting only the distinct ones).

The product of its digits is 746496, while the sum is 51.

The square root of 229992288 is about 15165.4966288612. The cubic root of 229992288 is about 612.6857194969.

The spelling of 229992288 in words is "two hundred twenty-nine million, nine hundred ninety-two thousand, two hundred eighty-eight".