22127056 has 40 divisors (see below), whose sum is σ = 50584064. Its totient is φ = 9175680.

The previous prime is 22127011. The next prime is 22127057. The reversal of 22127056 is 65072122.

It is a self number, because there is not a number n which added to its sum of digits gives 22127056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22127057) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286 + ... + 6658.

Almost surely, 2^22127056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 22127056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25292032).

22127056 is an abundant number, since it is smaller than the sum of its proper divisors (28457008).

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

22127056 is a wasteful number, since it uses less digits than its factorization.

22127056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6419 (or 6413 counting only the distinct ones).

The product of its (nonzero) digits is 1680, while the sum is 25.

The square root of 22127056 is about 4703.9404758139. The cubic root of 22127056 is about 280.7423160000.

Adding to 22127056 its reverse (65072122), we get a palindrome (87199178).

The spelling of 22127056 in words is "twenty-two million, one hundred twenty-seven thousand, fifty-six".