22124200 has 48 divisors (see below), whose sum is σ = 58790880. Its totient is φ = 7584960.

The previous prime is 22124171. The next prime is 22124203. The reversal of 22124200 is 242122.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22124203) 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, 6502 + ... + 9301.

It is an arithmetic number, because the mean of its divisors is an integer number (1224810).

Almost surely, 2^22124200 is an apocalyptic number.

22124200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

22124200 is an abundant number, since it is smaller than the sum of its proper divisors (36666680).

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

22124200 is a wasteful number, since it uses less digits than its factorization.

22124200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15826 (or 15817 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 22124200 is about 4703.6368907474. The cubic root of 22124200 is about 280.7302367526.

Adding to 22124200 its reverse (242122), we get a palindrome (22366322).

The spelling of 22124200 in words is "twenty-two million, one hundred twenty-four thousand, two hundred".