9222509 has 4 divisors (see below), whose sum is σ = 9471804. Its totient is φ = 8973216.

The previous prime is 9222491. The next prime is 9222523. The reversal of 9222509 is 9052229.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9052229 = 83 ⋅109063.

It can be written as a sum of positive squares in 2 ways, for example, as 8868484 + 354025 = 2978^2 + 595^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9222509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9222569) 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 3 ways as a sum of consecutive naturals, for example, 124592 + ... + 124665.

It is an arithmetic number, because the mean of its divisors is an integer number (2367951).

Almost surely, 2^9222509 is an apocalyptic number.

It is an amenable number.

9222509 is a deficient number, since it is larger than the sum of its proper divisors (249295).

9222509 is a wasteful number, since it uses less digits than its factorization.

9222509 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 249294.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 9222509 is about 3036.8584096069. The cubic root of 9222509 is about 209.7086587339.

The spelling of 9222509 in words is "nine million, two hundred twenty-two thousand, five hundred nine".