9022520 has 32 divisors (see below), whose sum is σ = 21863520. Its totient is φ = 3331200.

The previous prime is 9022513. The next prime is 9022523. The reversal of 9022520 is 252209.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 9022492 and 9022501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9022523) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8156 + ... + 9195.

It is an arithmetic number, because the mean of its divisors is an integer number (683235).

Almost surely, 2^9022520 is an apocalyptic number.

It is an amenable number.

9022520 is an abundant number, since it is smaller than the sum of its proper divisors (12841000).

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

9022520 is a wasteful number, since it uses less digits than its factorization.

9022520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17375 (or 17371 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 9022520 is about 3003.7509883477. The cubic root of 9022520 is about 208.1817321977.

Adding to 9022520 its reverse (252209), we get a palindrome (9274729).

The spelling of 9022520 in words is "nine million, twenty-two thousand, five hundred twenty".