9220865 has 8 divisors (see below), whose sum is σ = 11140200. Its totient is φ = 7326592.

The previous prime is 9220847. The next prime is 9220867. The reversal of 9220865 is 5680229.

It can be written as a sum of positive squares in 4 ways, for example, as 124609 + 9096256 = 353^2 + 3016^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9220865 - 2¹⁰ = 9219841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9220867) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5444 + ... + 6933.

It is an arithmetic number, because the mean of its divisors is an integer number (1392525).

Almost surely, 2^9220865 is an apocalyptic number.

It is an amenable number.

9220865 is a deficient number, since it is larger than the sum of its proper divisors (1919335).

9220865 is a wasteful number, since it uses less digits than its factorization.

9220865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12531.

The product of its (nonzero) digits is 8640, while the sum is 32.

The square root of 9220865 is about 3036.5877230866. The cubic root of 9220865 is about 209.6961971387.

The spelling of 9220865 in words is "nine million, two hundred twenty thousand, eight hundred sixty-five".