22256200 has 48 divisors (see below), whose sum is σ = 52066980. Its totient is φ = 8847360.

The previous prime is 22256189. The next prime is 22256209. The reversal of 22256200 is 265222.

It can be written as a sum of positive squares in 6 ways, for example, as 10381284 + 11874916 = 3222^2 + 3446^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22256209) 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 11 ways as a sum of consecutive naturals, for example, 51184 + ... + 51616.

Almost surely, 2^22256200 is an apocalyptic number.

22256200 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 22256200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26033490).

22256200 is an abundant number, since it is smaller than the sum of its proper divisors (29810780).

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

22256200 is a wasteful number, since it uses less digits than its factorization.

22256200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706 (or 697 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 22256200 is about 4717.6477189379. The cubic root of 22256200 is about 281.2874386375.

The spelling of 22256200 in words is "twenty-two million, two hundred fifty-six thousand, two hundred".