8722312 has 16 divisors (see below), whose sum is σ = 16448400. Its totient is φ = 4336080.

The previous prime is 8722303. The next prime is 8722331. The reversal of 8722312 is 2132278.

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, 1614 + ... + 4477.

It is an arithmetic number, because the mean of its divisors is an integer number (1028025).

Almost surely, 2^8722312 is an apocalyptic number.

It is an amenable number.

8722312 is a deficient number, since it is larger than the sum of its proper divisors (7726088).

8722312 is a wasteful number, since it uses less digits than its factorization.

8722312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6276 (or 6272 counting only the distinct ones).

The product of its digits is 1344, while the sum is 25.

The square root of 8722312 is about 2953.3560570984. The cubic root of 8722312 is about 205.8466826654.

The spelling of 8722312 in words is "eight million, seven hundred twenty-two thousand, three hundred twelve".