22214424 has 32 divisors (see below), whose sum is σ = 55944000. Its totient is φ = 7350432.

The previous prime is 22214399. The next prime is 22214429. The reversal of 22214424 is 42441222.

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 22214424.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22214429) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 7 + ... + 6665.

It is an arithmetic number, because the mean of its divisors is an integer number (1748250).

Almost surely, 2^22214424 is an apocalyptic number.

22214424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22214424 is an abundant number, since it is smaller than the sum of its proper divisors (33729576).

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

22214424 is a wasteful number, since it uses less digits than its factorization.

22214424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6807 (or 6803 counting only the distinct ones).

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

The square root of 22214424 is about 4713.2180089616. The cubic root of 22214424 is about 281.1113315429. Note that the first 3 decimals are identical.

Adding to 22214424 its sum of digits (21), we get a triangular number (22214445 = T₆₆₆₅).

Adding to 22214424 its reverse (42441222), we get a palindrome (64655646).

The spelling of 22214424 in words is "twenty-two million, two hundred fourteen thousand, four hundred twenty-four".