22560030 has 96 divisors (see below), whose sum is σ = 62899200. Its totient is φ = 5593536.

The previous prime is 22560029. The next prime is 22560059. The reversal of 22560030 is 3006522.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 22559985 and 22560012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 135007 + ... + 135173.

It is an arithmetic number, because the mean of its divisors is an integer number (655200).

Almost surely, 2^22560030 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22560030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31449600).

22560030 is an abundant number, since it is smaller than the sum of its proper divisors (40339170).

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

22560030 is a wasteful number, since it uses less digits than its factorization.

22560030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278 (or 275 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 22560030 is about 4749.7399928838. The cubic root of 22560030 is about 282.5616541237.

Adding to 22560030 its reverse (3006522), we get a palindrome (25566552).

The spelling of 22560030 in words is "twenty-two million, five hundred sixty thousand, thirty".