22000560 has 120 divisors (see below), whose sum is σ = 71282640. Its totient is φ = 5612544.

The previous prime is 22000553. The next prime is 22000579. The reversal of 22000560 is 6500022.

It is a tau number, because it is divible by the number of its divisors (120).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 201786 + ... + 201894.

It is an arithmetic number, because the mean of its divisors is an integer number (594022).

Almost surely, 2^22000560 is an apocalyptic number.

22000560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22000560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35641320).

22000560 is an abundant number, since it is smaller than the sum of its proper divisors (49282080).

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

22000560 is a wasteful number, since it uses less digits than its factorization.

22000560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183 (or 148 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 15.

The square root of 22000560 is about 4690.4754556441. The cubic root of 22000560 is about 280.2063105333.

Adding to 22000560 its reverse (6500022), we get a palindrome (28500582).

The spelling of 22000560 in words is "twenty-two million, five hundred sixty", and thus it is an aban number.