22024200 has 192 divisors, whose sum is σ = 77137920. Its totient is φ = 5152000.

The previous prime is 22024199. The next prime is 22024259. The reversal of 22024200 is 242022.

It is a happy number.

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

It is a super Niven number, because it is divisible the sum of any subset of its (nonzero) digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 310165 + ... + 310235.

It is an arithmetic number, because the mean of its divisors is an integer number (401760).

Almost surely, 2^22024200 is an apocalyptic number.

22024200 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 22024200, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38568960).

22024200 is an abundant number, since it is smaller than the sum of its proper divisors (55113720).

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

22024200 is a wasteful number, since it uses less digits than its factorization.

22024200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148 (or 139 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 12.

The square root of 22024200 is about 4692.9947794559. The cubic root of 22024200 is about 280.3066368588.

Adding to 22024200 its reverse (242022), we get a palindrome (22266222).

It can be divided in two parts, 2 and 2024200, that added together give a palindrome (2024202).

The spelling of 22024200 in words is "twenty-two million, twenty-four thousand, two hundred".