9228289 has 8 divisors (see below), whose sum is σ = 10656128. Its totient is φ = 7827840.

The previous prime is 9228287. The next prime is 9228301. The reversal of 9228289 is 9828229.

It is a happy number.

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 9228289 - 2¹ = 9228287 is a prime.

It is a super-2 number, since 2×9228289² = 170322635735042, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9228283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6117 + ... + 7474.

It is an arithmetic number, because the mean of its divisors is an integer number (1332016).

It is a Proth number, since it is equal to 2253 ⋅ 2¹² + 1 and 2253 < 2¹².

Almost surely, 2^9228289 is an apocalyptic number.

It is an amenable number.

9228289 is a deficient number, since it is larger than the sum of its proper divisors (1427839).

9228289 is a wasteful number, since it uses less digits than its factorization.

9228289 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13695.

The product of its digits is 41472, while the sum is 40.

The square root of 9228289 is about 3037.8099018866. The cubic root of 9228289 is about 209.7524596458.

The spelling of 9228289 in words is "nine million, two hundred twenty-eight thousand, two hundred eighty-nine".