229640334 has 96 divisors (see below), whose sum is σ = 585795840. Its totient is φ = 58734720.

The previous prime is 229640329. The next prime is 229640351. The reversal of 229640334 is 433046922.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 229640295 and 229640304.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 370677 + ... + 371295.

It is an arithmetic number, because the mean of its divisors is an integer number (6102040).

Almost surely, 2^229640334 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229640334, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (292897920).

229640334 is an abundant number, since it is smaller than the sum of its proper divisors (356155506).

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

229640334 is a wasteful number, since it uses less digits than its factorization.

229640334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 726 (or 715 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 33.

The square root of 229640334 is about 15153.8884118895. Note that the first 3 decimals coincide. The cubic root of 229640334 is about 612.3730317966.

The spelling of 229640334 in words is "two hundred twenty-nine million, six hundred forty thousand, three hundred thirty-four".