9225026209 has 9 divisors (see below), whose sum is σ = 10731935091. Its totient is φ = 7906589040.

The previous prime is 9225026207. The next prime is 9225026219. The reversal of 9225026209 is 9026205229.

It is a happy number.

The square root of 9225026209 is 96047.

It is a perfect power (a square), and thus also a powerful number.

9225026209 is digitally balanced in base 2, 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 only one way, i.e., 1931866209 + 7293160000 = 43953^2 + 85400^2 .

It is not a de Polignac number, because 9225026209 - 2¹ = 9225026207 is a prime.

It is a super-2 number, since 2×9225026209² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9225026201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 665469 + ... + 679189.

Almost surely, 2^9225026209 is an apocalyptic number.

9225026209 is the 96047-th square number.

9225026209 is the 48024-th centered octagonal number.

It is an amenable number.

9225026209 is a deficient number, since it is larger than the sum of its proper divisors (1506908882).

9225026209 is an frugal number, since it uses more digits than its factorization.

9225026209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27456 (or 13728 counting only the distinct ones).

The product of its (nonzero) digits is 38880, while the sum is 37.

The cubic root of 9225026209 is about 2097.2773642393.

The spelling of 9225026209 in words is "nine billion, two hundred twenty-five million, twenty-six thousand, two hundred nine".