22414224 has 80 divisors (see below), whose sum is σ = 69678080. Its totient is φ = 6065280.

The previous prime is 22414169. The next prime is 22414229. The reversal of 22414224 is 42241422.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 22414224.

It is not an unprimeable number, because it can be changed into a prime (22414229) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4629 + ... + 8139.

It is an arithmetic number, because the mean of its divisors is an integer number (870976).

Almost surely, 2^22414224 is an apocalyptic number.

22414224 is a gapful number since it is divisible by the number (24) 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 22414224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (34839040).

22414224 is an abundant number, since it is smaller than the sum of its proper divisors (47263856).

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

22414224 is a wasteful number, since it uses less digits than its factorization.

22414224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3548 (or 3542 counting only the distinct ones).

The product of its digits is 1024, while the sum is 21.

The square root of 22414224 is about 4734.3662722692. The cubic root of 22414224 is about 281.9516037868.

Adding to 22414224 its reverse (42241422), we get a palindrome (64655646).

The spelling of 22414224 in words is "twenty-two million, four hundred fourteen thousand, two hundred twenty-four".