22253424 has 20 divisors (see below), whose sum is σ = 57488136. Its totient is φ = 7417792.

The previous prime is 22253423. The next prime is 22253437. The reversal of 22253424 is 42435222.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 22253394 and 22253403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22253423) 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 3 ways as a sum of consecutive naturals, for example, 231759 + ... + 231854.

Almost surely, 2^22253424 is an apocalyptic number.

22253424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

22253424 is an abundant number, since it is smaller than the sum of its proper divisors (35234712).

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

22253424 is a wasteful number, since it uses less digits than its factorization.

22253424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463624 (or 463618 counting only the distinct ones).

The product of its digits is 3840, while the sum is 24.

The square root of 22253424 is about 4717.3534953404. The cubic root of 22253424 is about 281.2757432239.

Adding to 22253424 its reverse (42435222), we get a palindrome (64688646).

The spelling of 22253424 in words is "twenty-two million, two hundred fifty-three thousand, four hundred twenty-four".