22162560 has 256 divisors, whose sum is σ = 86365440. Its totient is φ = 4718592.

The previous prime is 22162549. The next prime is 22162561. The reversal of 22162560 is 6526122.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 22162560.

It is not an unprimeable number, because it can be changed into a prime (22162561) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 228432 + ... + 228528.

It is an arithmetic number, because the mean of its divisors is an integer number (337365).

Almost surely, 2^22162560 is an apocalyptic number.

22162560 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 22162560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (43182720).

22162560 is an abundant number, since it is smaller than the sum of its proper divisors (64202880).

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

22162560 is a wasteful number, since it uses less digits than its factorization.

22162560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143 (or 131 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 22162560 is about 4707.7128204681. The cubic root of 22162560 is about 280.8923909253.

Adding to 22162560 its reverse (6526122), we get a palindrome (28688682).

It can be divided in two parts, 22162 and 560, that added together give a palindrome (22722).

The spelling of 22162560 in words is "twenty-two million, one hundred sixty-two thousand, five hundred sixty".