22442560 has 112 divisors (see below), whose sum is σ = 62764416. Its totient is φ = 7483392.

The previous prime is 22442513. The next prime is 22442561. The reversal of 22442560 is 6524422.

It is a tau number, because it is divible by the number of its divisors (112).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22442561) 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, 96204 + ... + 96436.

Almost surely, 2^22442560 is an apocalyptic number.

22442560 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 22442560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31382208).

22442560 is an abundant number, since it is smaller than the sum of its proper divisors (40321856).

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

22442560 is a wasteful number, since it uses less digits than its factorization.

22442560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 300 (or 290 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 22442560 is about 4737.3579134366. The cubic root of 22442560 is about 282.0703678997.

Adding to 22442560 its reverse (6524422), we get a palindrome (28966982).

The spelling of 22442560 in words is "twenty-two million, four hundred forty-two thousand, five hundred sixty".