226872526813 has 8 divisors (see below), whose sum is σ = 229250505848. Its totient is φ = 224495345664.

The previous prime is 226872526787. The next prime is 226872526873. The reversal of 226872526813 is 318625278622.

226872526813 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 4 ways, for example, as 6773619204 + 220098907609 = 82302^2 + 469147^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-226872526813 is a prime.

It is a super-2 number, since 2×226872526813² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226872526873) 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 7 ways as a sum of consecutive naturals, for example, 380995 + ... + 773887.

It is an arithmetic number, because the mean of its divisors is an integer number (28656313231).

Almost surely, 2^226872526813 is an apocalyptic number.

It is an amenable number.

226872526813 is a deficient number, since it is larger than the sum of its proper divisors (2377979035).

226872526813 is an equidigital number, since it uses as much as digits as its factorization.

226872526813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398943.

The product of its digits is 3870720, while the sum is 52.

The spelling of 226872526813 in words is "two hundred twenty-six billion, eight hundred seventy-two million, five hundred twenty-six thousand, eight hundred thirteen".