226855326987 has 12 divisors (see below), whose sum is σ = 332168683704. Its totient is φ = 149165146080.

The previous prime is 226855326979. The next prime is 226855327033. The reversal of 226855326987 is 789623558622.

226855326987 is a `hidden beast` number, since 2 + 2 + 6 + 8 + 5 + 532 + 6 + 98 + 7 = 666.

It is not a de Polignac number, because 226855326987 - 2³ = 226855326979 is a prime.

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 not an unprimeable number, because it can be changed into a prime (226855326937) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 172644189 + ... + 172645502.

It is an arithmetic number, because the mean of its divisors is an integer number (27680723642).

Almost surely, 2^226855326987 is an apocalyptic number.

226855326987 is a deficient number, since it is larger than the sum of its proper divisors (105313356717).

226855326987 is a wasteful number, since it uses less digits than its factorization.

226855326987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345289770 (or 345289767 counting only the distinct ones).

The product of its digits is 87091200, while the sum is 63.

The spelling of 226855326987 in words is "two hundred twenty-six billion, eight hundred fifty-five million, three hundred twenty-six thousand, nine hundred eighty-seven".