9227989 has 8 divisors (see below), whose sum is σ = 9470520. Its totient is φ = 8988096.

The previous prime is 9227983. The next prime is 9228031. The reversal of 9227989 is 9897229.

It can be written as a sum of positive squares in 4 ways, for example, as 47089 + 9180900 = 217^2 + 3030^2 .

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 9227989 - 2⁷ = 9227861 is a prime.

It is a Duffinian number.

9227989 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9227983) 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, 7767 + ... + 8875.

It is an arithmetic number, because the mean of its divisors is an integer number (1183815).

Almost surely, 2^9227989 is an apocalyptic number.

It is an amenable number.

9227989 is a deficient number, since it is larger than the sum of its proper divisors (242531).

9227989 is a wasteful number, since it uses less digits than its factorization.

9227989 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1319.

The product of its digits is 163296, while the sum is 46.

The square root of 9227989 is about 3037.7605238070. The cubic root of 9227989 is about 209.7501866922.

It can be divided in two parts, 922 and 7989, that added together give a triangular number (8911 = T₁₃₃).

The spelling of 9227989 in words is "nine million, two hundred twenty-seven thousand, nine hundred eighty-nine".