9220913 has 8 divisors (see below), whose sum is σ = 10019688. Its totient is φ = 8434944.

The previous prime is 9220891. The next prime is 9220951. The reversal of 9220913 is 3190229.

9220913 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 322624 + 8898289 = 568^2 + 2983^2 .

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 9220913 - 2¹⁸ = 8958769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9220213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1670 + ... + 4607.

It is an arithmetic number, because the mean of its divisors is an integer number (1252461).

Almost surely, 2^9220913 is an apocalyptic number.

It is an amenable number.

9220913 is a deficient number, since it is larger than the sum of its proper divisors (798775).

9220913 is a wasteful number, since it uses less digits than its factorization.

9220913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6403.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 9220913 is about 3036.5956266846. The cubic root of 9220913 is about 209.6965610019.

The spelling of 9220913 in words is "nine million, two hundred twenty thousand, nine hundred thirteen".