9220857 has 8 divisors (see below), whose sum is σ = 12691200. Its totient is φ = 5948880.

The previous prime is 9220847. The next prime is 9220867. The reversal of 9220857 is 7580229.

9220857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9220847) and next prime (9220867).

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

It is not a de Polignac number, because 9220857 - 2⁶ = 9220793 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9220847) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 49482 + ... + 49667.

It is an arithmetic number, because the mean of its divisors is an integer number (1586400).

Almost surely, 2^9220857 is an apocalyptic number.

It is an amenable number.

9220857 is a deficient number, since it is larger than the sum of its proper divisors (3470343).

9220857 is a wasteful number, since it uses less digits than its factorization.

9220857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99183.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 9220857 is about 3036.5864058182. The cubic root of 9220857 is about 209.6961364947.

The spelling of 9220857 in words is "nine million, two hundred twenty thousand, eight hundred fifty-seven".