229287492 has 72 divisors (see below), whose sum is σ = 664372800. Its totient is φ = 65314368.

The previous prime is 229287491. The next prime is 229287503. The reversal of 229287492 is 294782922.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (229287491) 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 23 ways as a sum of consecutive naturals, for example, 96859 + ... + 99197.

It is an arithmetic number, because the mean of its divisors is an integer number (9227400).

Almost surely, 2^229287492 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 229287492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (332186400).

229287492 is an abundant number, since it is smaller than the sum of its proper divisors (435085308).

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

229287492 is a wasteful number, since it uses less digits than its factorization.

229287492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745 (or 2740 counting only the distinct ones).

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

The square root of 229287492 is about 15142.2419740275. The cubic root of 229287492 is about 612.0592343025.

The spelling of 229287492 in words is "two hundred twenty-nine million, two hundred eighty-seven thousand, four hundred ninety-two".