226640863931 has 8 divisors (see below), whose sum is σ = 227343740928. Its totient is φ = 225938097000.

The previous prime is 226640863913. The next prime is 226640863957. The reversal of 226640863931 is 139368046622.

226640863931 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 226640863931 - 2¹⁰ = 226640862907 is a prime.

It is a super-2 number, since 2×226640863931² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 226640863931.

It is not an unprimeable number, because it can be changed into a prime (226640863901) 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, 6400766 + ... + 6436076.

It is an arithmetic number, because the mean of its divisors is an integer number (28417967616).

Almost surely, 2^226640863931 is an apocalyptic number.

226640863931 is a deficient number, since it is larger than the sum of its proper divisors (702876997).

226640863931 is a wasteful number, since it uses less digits than its factorization.

226640863931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55033.

The product of its (nonzero) digits is 2239488, while the sum is 50.

The spelling of 226640863931 in words is "two hundred twenty-six billion, six hundred forty million, eight hundred sixty-three thousand, nine hundred thirty-one".