9315865228 has 12 divisors (see below), whose sum is σ = 16864928640. Its totient is φ = 4497314192.

The previous prime is 9315865193. The next prime is 9315865231. The reversal of 9315865228 is 8225685139.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40154476 + ... + 40154707.

It is an arithmetic number, because the mean of its divisors is an integer number (1405410720).

Almost surely, 2^9315865228 is an apocalyptic number.

It is an amenable number.

9315865228 is a deficient number, since it is larger than the sum of its proper divisors (7549063412).

9315865228 is a wasteful number, since it uses less digits than its factorization.

9315865228 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80309216 (or 80309214 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 9315865228 is about 96518.7299336248. The cubic root of 9315865228 is about 2104.1388689804.

The spelling of 9315865228 in words is "nine billion, three hundred fifteen million, eight hundred sixty-five thousand, two hundred twenty-eight".