22356560 has 80 divisors (see below), whose sum is σ = 54538176. Its totient is φ = 8515584.

The previous prime is 22356557. The next prime is 22356569. The reversal of 22356560 is 6565322.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22356569) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 230432 + ... + 230528.

Almost surely, 2^22356560 is an apocalyptic number.

22356560 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 22356560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27269088).

22356560 is an abundant number, since it is smaller than the sum of its proper divisors (32181616).

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

22356560 is a wasteful number, since it uses less digits than its factorization.

22356560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220 (or 214 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 29.

The square root of 22356560 is about 4728.2724117800. The cubic root of 22356560 is about 281.7096083513.

The spelling of 22356560 in words is "twenty-two million, three hundred fifty-six thousand, five hundred sixty".