1228681683 has 32 divisors (see below), whose sum is σ = 1977907200. Its totient is φ = 750967200.

The previous prime is 1228681679. The next prime is 1228681691. The reversal of 1228681683 is 3861868221.

It is not a de Polignac number, because 1228681683 - 2² = 1228681679 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1228681583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22728 + ... + 54533.

It is an arithmetic number, because the mean of its divisors is an integer number (61809600).

Almost surely, 2^1228681683 is an apocalyptic number.

1228681683 is a deficient number, since it is larger than the sum of its proper divisors (749225517).

1228681683 is a wasteful number, since it uses less digits than its factorization.

1228681683 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77320 (or 77314 counting only the distinct ones).

The product of its digits is 221184, while the sum is 45.

The square root of 1228681683 is about 35052.5560123652. The cubic root of 1228681683 is about 1071.0583417284.

The spelling of 1228681683 in words is "one billion, two hundred twenty-eight million, six hundred eighty-one thousand, six hundred eighty-three".