1228883287 has 8 divisors (see below), whose sum is σ = 1241089200. Its totient is φ = 1216724544.

The previous prime is 1228883231. The next prime is 1228883297. The reversal of 1228883287 is 7823888221.

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

It is a cyclic number.

It is not a de Polignac number, because 1228883287 - 2¹¹ = 1228881239 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 1228883287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1228883297) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 41764 + ... + 64822.

It is an arithmetic number, because the mean of its divisors is an integer number (155136150).

Almost surely, 2^1228883287 is an apocalyptic number.

1228883287 is a deficient number, since it is larger than the sum of its proper divisors (12205913).

1228883287 is a wasteful number, since it uses less digits than its factorization.

1228883287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23585.

The product of its digits is 688128, while the sum is 49.

The square root of 1228883287 is about 35055.4316333432. The cubic root of 1228883287 is about 1071.1169188305.

The spelling of 1228883287 in words is "one billion, two hundred twenty-eight million, eight hundred eighty-three thousand, two hundred eighty-seven".