22322160 has 240 divisors, whose sum is σ = 88518144. Its totient is φ = 4935168.

The previous prime is 22322129. The next prime is 22322171. The reversal of 22322160 is 6122322.

It is a tau number, because it is divible by the number of its divisors (240).

It is a super-4 number, since 4×22322160⁴ (a number of 30 digits) contains 4444 as substring. Note that it is a super-d number also for d = 3.

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

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, 216669 + ... + 216771.

Almost surely, 2^22322160 is an apocalyptic number.

22322160 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 22322160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44259072).

22322160 is an abundant number, since it is smaller than the sum of its proper divisors (66195984).

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

22322160 is a wasteful number, since it uses less digits than its factorization.

22322160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 163 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 22322160 is about 4724.6333191053. The cubic root of 22322160 is about 281.5650454849.

Adding to 22322160 its reverse (6122322), we get a palindrome (28444482).

The spelling of 22322160 in words is "twenty-two million, three hundred twenty-two thousand, one hundred sixty".