1226436808 has 16 divisors (see below), whose sum is σ = 2300287500. Its totient is φ = 613026816.

The previous prime is 1226436793. The next prime is 1226436857. The reversal of 1226436808 is 8086346221.

It can be written as a sum of positive squares in 2 ways, for example, as 1197298404 + 29138404 = 34602^2 + 5398^2 .

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5368 + ... + 49816.

Almost surely, 2^1226436808 is an apocalyptic number.

It is an amenable number.

1226436808 is a deficient number, since it is larger than the sum of its proper divisors (1073850692).

1226436808 is a wasteful number, since it uses less digits than its factorization.

1226436808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47904 (or 47900 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 1226436808 is about 35020.5198133894. The cubic root of 1226436808 is about 1070.4056481574.

The spelling of 1226436808 in words is "one billion, two hundred twenty-six million, four hundred thirty-six thousand, eight hundred eight".