226789999105644 has 36 divisors (see below), whose sum is σ = 617372775344416. Its totient is φ = 69781538186208.

The previous prime is 226789999105643. The next prime is 226789999105687. The reversal of 226789999105644 is 446501999987622.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (226789999105643) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 242297007124 + ... + 242297008059.

Almost surely, 2^{226789999105644} is an apocalyptic number.

It is an amenable number.

226789999105644 is an abundant number, since it is smaller than the sum of its proper divisors (390582776238772).

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

226789999105644 is a wasteful number, since it uses less digits than its factorization.

226789999105644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484594015206 (or 484594015201 counting only the distinct ones).

The product of its (nonzero) digits is 4232632320, while the sum is 81.

The spelling of 226789999105644 in words is "two hundred twenty-six trillion, seven hundred eighty-nine billion, nine hundred ninety-nine million, one hundred five thousand, six hundred forty-four".