1226768384 has 34 divisors (see below), whose sum is σ = 2453649120. Its totient is φ = 613351424.

The previous prime is 1226768359. The next prime is 1226768407. The reversal of 1226768384 is 4838676221.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 56177 + ... + 74895.

Almost surely, 2^1226768384 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 1226768384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1226824560).

1226768384 is an abundant number, since it is smaller than the sum of its proper divisors (1226880736).

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

1226768384 is an frugal number, since it uses more digits than its factorization.

1226768384 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18751 (or 18721 counting only the distinct ones).

The product of its digits is 774144, while the sum is 47.

The square root of 1226768384 is about 35025.2535179976. The cubic root of 1226768384 is about 1070.5021034173.

The spelling of 1226768384 in words is "one billion, two hundred twenty-six million, seven hundred sixty-eight thousand, three hundred eighty-four".