1228246518 has 8 divisors (see below), whose sum is σ = 2456493048. Its totient is φ = 409415504.

The previous prime is 1228246457. The next prime is 1228246589. The reversal of 1228246518 is 8156428221.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

1228246518 is an admirable number.

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 in 3 ways as a sum of consecutive naturals, for example, 102353871 + ... + 102353882.

It is an arithmetic number, because the mean of its divisors is an integer number (307061631).

Almost surely, 2^1228246518 is an apocalyptic number.

1228246518 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

1228246518 is a wasteful number, since it uses less digits than its factorization.

1228246518 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204707758.

The product of its digits is 61440, while the sum is 39.

The square root of 1228246518 is about 35046.3481407122. The cubic root of 1228246518 is about 1070.9318804039.

The spelling of 1228246518 in words is "one billion, two hundred twenty-eight million, two hundred forty-six thousand, five hundred eighteen".