1228266716 has 6 divisors (see below), whose sum is σ = 2149466760. Its totient is φ = 614133356.

The previous prime is 1228266709. The next prime is 1228266727. The reversal of 1228266716 is 6176628221.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 153533336 + ... + 153533343.

It is an arithmetic number, because the mean of its divisors is an integer number (358244460).

Almost surely, 2^1228266716 is an apocalyptic number.

It is an amenable number.

1228266716 is a deficient number, since it is larger than the sum of its proper divisors (921200044).

1228266716 is a wasteful number, since it uses less digits than its factorization.

1228266716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307066683 (or 307066681 counting only the distinct ones).

The product of its digits is 96768, while the sum is 41.

The square root of 1228266716 is about 35046.6363007921. The cubic root of 1228266716 is about 1070.9377507139.

The spelling of 1228266716 in words is "one billion, two hundred twenty-eight million, two hundred sixty-six thousand, seven hundred sixteen".