22205300 has 144 divisors (see below), whose sum is σ = 58329600. Its totient is φ = 7257600.

The previous prime is 22205279. The next prime is 22205303. The reversal of 22205300 is 350222.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22205303) by changing a digit.

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, 716285 + ... + 716315.

Almost surely, 2^22205300 is an apocalyptic number.

22205300 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 22205300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29164800).

22205300 is an abundant number, since it is smaller than the sum of its proper divisors (36124300).

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

22205300 is a wasteful number, since it uses less digits than its factorization.

22205300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106 (or 99 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 22205300 is about 4712.2499933683. The cubic root of 22205300 is about 281.0728398701.

Adding to 22205300 its reverse (350222), we get a palindrome (22555522).

The spelling of 22205300 in words is "twenty-two million, two hundred five thousand, three hundred".