226865442785 has 16 divisors (see below), whose sum is σ = 273814994640. Its totient is φ = 180443842560.

The previous prime is 226865442757. The next prime is 226865442827. The reversal of 226865442785 is 587244568622.

It can be written as a sum of positive squares in 8 ways, for example, as 40060823104 + 186804619681 = 200152^2 + 432209^2 .

It is not a de Polignac number, because 226865442785 - 2³⁰ = 225791700961 is a prime.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 585101 + ... + 892229.

It is an arithmetic number, because the mean of its divisors is an integer number (17113437165).

Almost surely, 2^226865442785 is an apocalyptic number.

It is an amenable number.

226865442785 is a deficient number, since it is larger than the sum of its proper divisors (46949551855).

226865442785 is a wasteful number, since it uses less digits than its factorization.

226865442785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307988.

The product of its digits is 51609600, while the sum is 59.

The spelling of 226865442785 in words is "two hundred twenty-six billion, eight hundred sixty-five million, four hundred forty-two thousand, seven hundred eighty-five".