1228482841 has 4 divisors (see below), whose sum is σ = 1231690752. Its totient is φ = 1225274932.

The previous prime is 1228482821. The next prime is 1228482847. The reversal of 1228482841 is 1482848221.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1228482841 - 2⁵ = 1228482809 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1228482794 and 1228482803.

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, 1603381 + ... + 1604146.

It is an arithmetic number, because the mean of its divisors is an integer number (307922688).

Almost surely, 2^1228482841 is an apocalyptic number.

It is an amenable number.

1228482841 is a deficient number, since it is larger than the sum of its proper divisors (3207911).

1228482841 is an equidigital number, since it uses as much as digits as its factorization.

1228482841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3207910.

The product of its digits is 65536, while the sum is 40.

The square root of 1228482841 is about 35049.7195566527. The cubic root of 1228482841 is about 1071.0005608631. Note that the first 3 decimals are identical.

The spelling of 1228482841 in words is "one billion, two hundred twenty-eight million, four hundred eighty-two thousand, eight hundred forty-one".