1089506228 has 12 divisors (see below), whose sum is σ = 1989533280. Its totient is φ = 521068152.

The previous prime is 1089506219. The next prime is 1089506237. The reversal of 1089506228 is 8226059801.

It is an interprime number because it is at equal distance from previous prime (1089506219) and next prime (1089506237).

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 5921138 + ... + 5921321.

It is an arithmetic number, because the mean of its divisors is an integer number (165794440).

Almost surely, 2^1089506228 is an apocalyptic number.

It is an amenable number.

1089506228 is a deficient number, since it is larger than the sum of its proper divisors (900027052).

1089506228 is a wasteful number, since it uses less digits than its factorization.

1089506228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11842486 (or 11842484 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 1089506228 is about 33007.6692300441. The cubic root of 1089506228 is about 1028.9870419580.

The spelling of 1089506228 in words is "one billion, eighty-nine million, five hundred six thousand, two hundred twenty-eight".