22244856 has 64 divisors (see below), whose sum is σ = 59443200. Its totient is φ = 6921600.

The previous prime is 22244851. The next prime is 22244861. The reversal of 22244856 is 65844222.

It is an interprime number because it is at equal distance from previous prime (22244851) and next prime (22244861).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22244851) 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, 21061 + ... + 22091.

It is an arithmetic number, because the mean of its divisors is an integer number (928800).

Almost surely, 2^22244856 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 22244856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29721600).

22244856 is an abundant number, since it is smaller than the sum of its proper divisors (37198344).

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

22244856 is a wasteful number, since it uses less digits than its factorization.

22244856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1100 (or 1096 counting only the distinct ones).

The product of its digits is 30720, while the sum is 33.

The square root of 22244856 is about 4716.4452716002. The cubic root of 22244856 is about 281.2396397171.

The spelling of 22244856 in words is "twenty-two million, two hundred forty-four thousand, eight hundred fifty-six".