22113300 has 72 divisors (see below), whose sum is σ = 69808032. Its totient is φ = 5360000.

The previous prime is 22113263. The next prime is 22113353. The reversal of 22113300 is 331122.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a zygodrome in base 10.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 51 + ... + 6650.

It is an arithmetic number, because the mean of its divisors is an integer number (969556).

Almost surely, 2^22113300 is an apocalyptic number.

22113300 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 22113300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34904016).

22113300 is an abundant number, since it is smaller than the sum of its proper divisors (47694732).

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

22113300 is a wasteful number, since it uses less digits than its factorization.

22113300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6729 (or 6722 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 12.

The square root of 22113300 is about 4702.4780701243. The cubic root of 22113300 is about 280.6841264263.

Adding to 22113300 its reverse (331122), we get a palindrome (22444422).

The spelling of 22113300 in words is "twenty-two million, one hundred thirteen thousand, three hundred".