226601544555 has 48 divisors (see below), whose sum is σ = 400040615520. Its totient is φ = 118625126400.

The previous prime is 226601544551. The next prime is 226601544563. The reversal of 226601544555 is 555445106622.

226601544555 is a `hidden beast` number, since 2 + 26 + 60 + 15 + 4 + 4 + 555 = 666.

It is not a de Polignac number, because 226601544555 - 2² = 226601544551 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 226601544555.

It is not an unprimeable number, because it can be changed into a prime (226601544551) 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 47 ways as a sum of consecutive naturals, for example, 1690395 + ... + 1819515.

It is an arithmetic number, because the mean of its divisors is an integer number (8334179490).

Almost surely, 2^226601544555 is an apocalyptic number.

226601544555 is a deficient number, since it is larger than the sum of its proper divisors (173439070965).

226601544555 is a wasteful number, since it uses less digits than its factorization.

226601544555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129852 (or 129849 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 45.

The spelling of 226601544555 in words is "two hundred twenty-six billion, six hundred one million, five hundred forty-four thousand, five hundred fifty-five".