226798165728 has 96 divisors (see below), whose sum is σ = 665708389920. Its totient is φ = 75117818880.

The previous prime is 226798165679. The next prime is 226798165729. The reversal of 226798165728 is 827561897622.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226798165729) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 700333 + ... + 971628.

It is an arithmetic number, because the mean of its divisors is an integer number (6934462395).

Almost surely, 2^226798165728 is an apocalyptic number.

It is an amenable number.

226798165728 is an abundant number, since it is smaller than the sum of its proper divisors (438910224192).

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

226798165728 is a wasteful number, since it uses less digits than its factorization.

226798165728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1672137 (or 1672123 counting only the distinct ones).

The product of its digits is 40642560, while the sum is 63.

The spelling of 226798165728 in words is "two hundred twenty-six billion, seven hundred ninety-eight million, one hundred sixty-five thousand, seven hundred twenty-eight".