229599909000 has 768 divisors, whose sum is σ = 1024506662400. Its totient is φ = 44900352000.

The previous prime is 229599908957. The next prime is 229599909023. The reversal of 229599909000 is 909995922.

It is a super-2 number, since 2×229599909000² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

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 191 ways as a sum of consecutive naturals, for example, 11771256 + ... + 11790744.

It is an arithmetic number, because the mean of its divisors is an integer number (1333993050).

Almost surely, 2^229599909000 is an apocalyptic number.

229599909000 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 229599909000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512253331200).

229599909000 is an abundant number, since it is smaller than the sum of its proper divisors (794906753400).

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

229599909000 is a wasteful number, since it uses less digits than its factorization.

229599909000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19551 (or 19534 counting only the distinct ones).

The product of its (nonzero) digits is 1180980, while the sum is 54.

The spelling of 229599909000 in words is "two hundred twenty-nine billion, five hundred ninety-nine million, nine hundred nine thousand".