1115206228 has 12 divisors (see below), whose sum is σ = 1963585120. Its totient is φ = 554181912.

The previous prime is 1115206219. The next prime is 1115206237. The reversal of 1115206228 is 8226025111.

It is an interprime number because it is at equal distance from previous prime (1115206219) and next prime (1115206237).

It is a junction number, because it is equal to n+sod(n) for n = 1115206196 and 1115206205.

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, 854568 + ... + 855871.

Almost surely, 2^1115206228 is an apocalyptic number.

It is an amenable number.

1115206228 is a deficient number, since it is larger than the sum of its proper divisors (848378892).

1115206228 is a wasteful number, since it uses less digits than its factorization.

1115206228 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1710606 (or 1710604 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 28.

The square root of 1115206228 is about 33394.7035920369. The cubic root of 1115206228 is about 1037.0150566285.

The spelling of 1115206228 in words is "one billion, one hundred fifteen million, two hundred six thousand, two hundred twenty-eight".