9221560 has 16 divisors (see below), whose sum is σ = 20748600. Its totient is φ = 3688608.

The previous prime is 9221519. The next prime is 9221567. The reversal of 9221560 is 651229.

9221560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9221567) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115230 + ... + 115309.

Almost surely, 2^9221560 is an apocalyptic number.

It is an amenable number.

9221560 is an abundant number, since it is smaller than the sum of its proper divisors (11527040).

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

9221560 is a wasteful number, since it uses less digits than its factorization.

9221560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 230550 (or 230546 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 25.

The square root of 9221560 is about 3036.7021585924. The cubic root of 9221560 is about 209.7014654512.

Adding to 9221560 its reverse (651229), we get a palindrome (9872789).

The spelling of 9221560 in words is "nine million, two hundred twenty-one thousand, five hundred sixty".