1115345228 has 24 divisors (see below), whose sum is σ = 1987216560. Its totient is φ = 547600320.

The previous prime is 1115345219. The next prime is 1115345243. The reversal of 1115345228 is 8225435111.

It is a junction number, because it is equal to n+sod(n) for n = 1115345194 and 1115345203.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153338 + ... + 160446.

It is an arithmetic number, because the mean of its divisors is an integer number (82800690).

Almost surely, 2^1115345228 is an apocalyptic number.

It is an amenable number.

1115345228 is a deficient number, since it is larger than the sum of its proper divisors (871871332).

1115345228 is a wasteful number, since it uses less digits than its factorization.

1115345228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7817 (or 7815 counting only the distinct ones).

The product of its digits is 9600, while the sum is 32.

The square root of 1115345228 is about 33396.7846955362. The cubic root of 1115345228 is about 1037.0581395732.

The spelling of 1115345228 in words is "one billion, one hundred fifteen million, three hundred forty-five thousand, two hundred twenty-eight".