227155555778 has 16 divisors (see below), whose sum is σ = 345064682880. Its totient is φ = 112134147216.

The previous prime is 227155555751. The next prime is 227155555801. The reversal of 227155555778 is 877555551722.

227155555778 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

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, 5471876 + ... + 5513232.

It is an arithmetic number, because the mean of its divisors is an integer number (21566542680).

Almost surely, 2^227155555778 is an apocalyptic number.

227155555778 is a deficient number, since it is larger than the sum of its proper divisors (117909127102).

227155555778 is a wasteful number, since it uses less digits than its factorization.

227155555778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76201.

The product of its digits is 34300000, while the sum is 59.

The spelling of 227155555778 in words is "two hundred twenty-seven billion, one hundred fifty-five million, five hundred fifty-five thousand, seven hundred seventy-eight".