9225520 has 20 divisors (see below), whose sum is σ = 21449520. Its totient is φ = 3690176.

The previous prime is 9225499. The next prime is 9225539. The reversal of 9225520 is 255229.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×9225520² = 170220438540800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 57580 + ... + 57739.

It is an arithmetic number, because the mean of its divisors is an integer number (1072476).

Almost surely, 2^9225520 is an apocalyptic number.

It is an amenable number.

9225520 is an abundant number, since it is smaller than the sum of its proper divisors (12224000).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9225520 is a wasteful number, since it uses less digits than its factorization.

9225520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 115332 (or 115326 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 25.

The square root of 9225520 is about 3037.3541117229. The cubic root of 9225520 is about 209.7314784122.

The spelling of 9225520 in words is "nine million, two hundred twenty-five thousand, five hundred twenty".