22509120 has 56 divisors (see below), whose sum is σ = 71469504. Its totient is φ = 6002176.

The previous prime is 22509107. The next prime is 22509161. The reversal of 22509120 is 2190522.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10764 + ... + 12683.

Almost surely, 2^22509120 is an apocalyptic number.

22509120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22509120 is an abundant number, since it is smaller than the sum of its proper divisors (48960384).

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

22509120 is a wasteful number, since it uses less digits than its factorization.

22509120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23467 (or 23457 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 21.

The square root of 22509120 is about 4744.3777252660. The cubic root of 22509120 is about 282.3489468389.

Adding to 22509120 its reverse (2190522), we get a palindrome (24699642).

The spelling of 22509120 in words is "twenty-two million, five hundred nine thousand, one hundred twenty".