227204797128 has 16 divisors (see below), whose sum is σ = 568011992880. Its totient is φ = 75734932368.

The previous prime is 227204797117. The next prime is 227204797129. The reversal of 227204797128 is 821797402722.

It is not an unprimeable number, because it can be changed into a prime (227204797129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4733433250 + ... + 4733433297.

It is an arithmetic number, because the mean of its divisors is an integer number (35500749555).

Almost surely, 2^227204797128 is an apocalyptic number.

It is an amenable number.

227204797128 is an abundant number, since it is smaller than the sum of its proper divisors (340807195752).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

227204797128 is a wasteful number, since it uses less digits than its factorization.

227204797128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9466866556 (or 9466866552 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 51.

The spelling of 227204797128 in words is "two hundred twenty-seven billion, two hundred four million, seven hundred ninety-seven thousand, one hundred twenty-eight".