228433291266 has 48 divisors (see below), whose sum is σ = 462508740288. Its totient is φ = 75215395200.

The previous prime is 228433291243. The next prime is 228433291283. The reversal of 228433291266 is 662192334822.

228433291266 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 23 ways as a sum of consecutive naturals, for example, 71810196 + ... + 71813376.

It is an arithmetic number, because the mean of its divisors is an integer number (9635598756).

Almost surely, 2^228433291266 is an apocalyptic number.

228433291266 is an abundant number, since it is smaller than the sum of its proper divisors (234075449022).

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

228433291266 is a wasteful number, since it uses less digits than its factorization.

228433291266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4875 (or 4786 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 48.

The spelling of 228433291266 in words is "two hundred twenty-eight billion, four hundred thirty-three million, two hundred ninety-one thousand, two hundred sixty-six".