1228489883 has 4 divisors (see below), whose sum is σ = 1233023328. Its totient is φ = 1223956440.

The previous prime is 1228489879. The next prime is 1228489907. The reversal of 1228489883 is 3889848221.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1228489883 - 2² = 1228489879 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1228485883) 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, 2266316 + ... + 2266857.

It is an arithmetic number, because the mean of its divisors is an integer number (308255832).

Almost surely, 2^1228489883 is an apocalyptic number.

1228489883 is a deficient number, since it is larger than the sum of its proper divisors (4533445).

1228489883 is an equidigital number, since it uses as much as digits as its factorization.

1228489883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4533444.

The product of its digits is 1769472, while the sum is 53.

The square root of 1228489883 is about 35049.8200138032. The cubic root of 1228489883 is about 1071.0026072820.

The spelling of 1228489883 in words is "one billion, two hundred twenty-eight million, four hundred eighty-nine thousand, eight hundred eighty-three".