1228944083 has 4 divisors (see below), whose sum is σ = 1247286600. Its totient is φ = 1210601568.

The previous prime is 1228944053. The next prime is 1228944091. The reversal of 1228944083 is 3804498221.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3804498221 = 17 ⋅223794013.

It is a cyclic number.

It is not a de Polignac number, because 1228944083 - 2²⁰ = 1227895507 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1228944083.

It is not an unprimeable number, because it can be changed into a prime (1228944053) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9171158 + ... + 9171291.

It is an arithmetic number, because the mean of its divisors is an integer number (311821650).

Almost surely, 2^1228944083 is an apocalyptic number.

1228944083 is a deficient number, since it is larger than the sum of its proper divisors (18342517).

1228944083 is an equidigital number, since it uses as much as digits as its factorization.

1228944083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18342516.

The product of its (nonzero) digits is 110592, while the sum is 41.

The square root of 1228944083 is about 35056.2987635603. The cubic root of 1228944083 is about 1071.1345821706.

The spelling of 1228944083 in words is "one billion, two hundred twenty-eight million, nine hundred forty-four thousand, eighty-three".