22065056 has 96 divisors (see below), whose sum is σ = 50803200. Its totient is φ = 9354240.

The previous prime is 22065041. The next prime is 22065059. The reversal of 22065056 is 65056022.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (26).

It is a zygodrome in base 4.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22065059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 373955 + ... + 374013.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^22065056 is an apocalyptic number.

22065056 is a gapful number since it is divisible by the number (26) 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 22065056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25401600).

22065056 is an abundant number, since it is smaller than the sum of its proper divisors (28738144).

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

22065056 is a wasteful number, since it uses less digits than its factorization.

22065056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142 (or 134 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 22065056 is about 4697.3456334402. The cubic root of 22065056 is about 280.4798574339.

The spelling of 22065056 in words is "twenty-two million, sixty-five thousand, fifty-six".