22213300 has 36 divisors (see below), whose sum is σ = 48496896. Its totient is φ = 8831200.

The previous prime is 22213259. The next prime is 22213313. The reversal of 22213300 is 331222.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 18519 + ... + 19681.

It is an arithmetic number, because the mean of its divisors is an integer number (1347136).

Almost surely, 2^22213300 is an apocalyptic number.

22213300 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 22213300, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24248448).

22213300 is an abundant number, since it is smaller than the sum of its proper divisors (26283596).

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

22213300 is a wasteful number, since it uses less digits than its factorization.

22213300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1368 (or 1361 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 13.

The square root of 22213300 is about 4713.0987683264. The cubic root of 22213300 is about 281.1065902621.

Adding to 22213300 its reverse (331222), we get a palindrome (22544522).

The spelling of 22213300 in words is "twenty-two million, two hundred thirteen thousand, three hundred".