1228993302 has 16 divisors (see below), whose sum is σ = 2587354560. Its totient is φ = 388103112.

The previous prime is 1228993229. The next prime is 1228993303. The reversal of 1228993302 is 2033998221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228993303) 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 7 ways as a sum of consecutive naturals, for example, 5390208 + ... + 5390435.

It is an arithmetic number, because the mean of its divisors is an integer number (161709660).

Almost surely, 2^1228993302 is an apocalyptic number.

1228993302 is an abundant number, since it is smaller than the sum of its proper divisors (1358361258).

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

1228993302 is a wasteful number, since it uses less digits than its factorization.

1228993302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10780667.

The product of its (nonzero) digits is 46656, while the sum is 39.

The square root of 1228993302 is about 35057.0007559118. Note that the first 3 decimals coincide. The cubic root of 1228993302 is about 1071.1488815652.

The spelling of 1228993302 in words is "one billion, two hundred twenty-eight million, nine hundred ninety-three thousand, three hundred two".