1226804768 has 72 divisors (see below), whose sum is σ = 2957547600. Its totient is φ = 498089088.

The previous prime is 1226804767. The next prime is 1226804807. The reversal of 1226804768 is 8674086221.

It is not an unprimeable number, because it can be changed into a prime (1226804767) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9203 + ... + 50381.

It is an arithmetic number, because the mean of its divisors is an integer number (41077050).

Almost surely, 2^1226804768 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1226804768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1478773800).

1226804768 is an abundant number, since it is smaller than the sum of its proper divisors (1730742832).

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

1226804768 is a wasteful number, since it uses less digits than its factorization.

1226804768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41222 (or 41207 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 44.

The square root of 1226804768 is about 35025.7729108153. The cubic root of 1226804768 is about 1070.5126864428.

The spelling of 1226804768 in words is "one billion, two hundred twenty-six million, eight hundred four thousand, seven hundred sixty-eight".