1228482842 has 8 divisors (see below), whose sum is σ = 1863429300. Its totient is φ = 607339744.

The previous prime is 1228482821. The next prime is 1228482847. The reversal of 1228482842 is 2482848221.

It can be written as a sum of positive squares in 2 ways, for example, as 1204853521 + 23629321 = 34711^2 + 4861^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 1228482842.

It is not an unprimeable number, because it can be changed into a prime (1228482847) 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 3 ways as a sum of consecutive naturals, for example, 3450617 + ... + 3450972.

Almost surely, 2^1228482842 is an apocalyptic number.

1228482842 is a deficient number, since it is larger than the sum of its proper divisors (634946458).

1228482842 is an equidigital number, since it uses as much as digits as its factorization.

1228482842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6901680.

The product of its digits is 131072, while the sum is 41.

The square root of 1228482842 is about 35049.7195709181. The cubic root of 1228482842 is about 1071.0005611537. Note that the first 3 decimals are identical.

The spelling of 1228482842 in words is "one billion, two hundred twenty-eight million, four hundred eighty-two thousand, eight hundred forty-two".