229840644002 has 6 divisors (see below), whose sum is σ = 344761983003.
Its totient is φ = 114919983002.
The previous prime is 229840644001. The next prime is 229840644031. The reversal of 229840644002 is 200446048922.
229840644002 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It can be written as a sum of positive squares in only one way, i.e., 114920322001 + 114920322001 = 338999^2 + 338999^2
It is an ABA number since it can be written as A⋅BA, here for A=2, B=338999.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (229840644001) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 508499 + ... + 847497.
Almost surely, 2229840644002 is an apocalyptic number.
229840644002 is a deficient number, since it is larger than the sum of its proper divisors (114921339001).
229840644002 is an frugal number, since it uses more digits than its factorization.
229840644002 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 678000 (or 339001 counting only the distinct ones).
The product of its (nonzero) digits is 221184, while the sum is 41.
The spelling of 229840644002 in words is "two hundred twenty-nine billion, eight hundred forty million, six hundred forty-four thousand, two".