226388104820 has 24 divisors (see below), whose sum is σ = 475872633600. Its totient is φ = 90468077472.

The previous prime is 226388104783. The next prime is 226388104823. The reversal of 226388104820 is 28401883622.

226388104820 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (226388104823) by changing a digit.

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, 5426480 + ... + 5468039.

It is an arithmetic number, because the mean of its divisors is an integer number (19828026400).

Almost surely, 2^226388104820 is an apocalyptic number.

226388104820 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

226388104820 is an abundant number, since it is smaller than the sum of its proper divisors (249484528780).

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

226388104820 is a wasteful number, since it uses less digits than its factorization.

226388104820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10895567 (or 10895565 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The spelling of 226388104820 in words is "two hundred twenty-six billion, three hundred eighty-eight million, one hundred four thousand, eight hundred twenty".