226397847685728 has 24 divisors (see below), whose sum is σ = 594294350175288. Its totient is φ = 75465949228544.

The previous prime is 226397847685721. The next prime is 226397847685741. The reversal of 226397847685728 is 827586748793622.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226397847685721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1179155456601 + ... + 1179155456792.

It is an arithmetic number, because the mean of its divisors is an integer number (24762264590637).

Almost surely, 2^{226397847685728} is an apocalyptic number.

It is an amenable number.

226397847685728 is an abundant number, since it is smaller than the sum of its proper divisors (367896502489560).

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

226397847685728 is a wasteful number, since it uses less digits than its factorization.

226397847685728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2358310913406 (or 2358310913398 counting only the distinct ones).

The product of its digits is 27311800320, while the sum is 84.

The spelling of 226397847685728 in words is "two hundred twenty-six trillion, three hundred ninety-seven billion, eight hundred forty-seven million, six hundred eighty-five thousand, seven hundred twenty-eight".