229535982 has 48 divisors (see below), whose sum is σ = 539513520. Its totient is φ = 70108416.

The previous prime is 229535959. The next prime is 229535987. The reversal of 229535982 is 289535922.

229535982 is a `hidden beast` number, since 2 + 2 + 9 + 53 + 598 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229535987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28998 + ... + 36054.

It is an arithmetic number, because the mean of its divisors is an integer number (11239865).

Almost surely, 2^229535982 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 229535982, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269756760).

229535982 is an abundant number, since it is smaller than the sum of its proper divisors (309977538).

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

229535982 is a wasteful number, since it uses less digits than its factorization.

229535982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7217 (or 7214 counting only the distinct ones).

The product of its digits is 388800, while the sum is 45.

The square root of 229535982 is about 15150.4449439612. Note that the first 3 decimals coincide. The cubic root of 229535982 is about 612.2802605902.

The spelling of 229535982 in words is "two hundred twenty-nine million, five hundred thirty-five thousand, nine hundred eighty-two".