22237424 has 20 divisors (see below), whose sum is σ = 47002200. Its totient is φ = 10107840.

The previous prime is 22237421. The next prime is 22237441. The reversal of 22237424 is 42473222.

It is a junction number, because it is equal to n+sod(n) for n = 22237393 and 22237402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22237421) 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 3 ways as a sum of consecutive naturals, for example, 62999 + ... + 63350.

It is an arithmetic number, because the mean of its divisors is an integer number (2350110).

Almost surely, 2^22237424 is an apocalyptic number.

It is an amenable number.

22237424 is an abundant number, since it is smaller than the sum of its proper divisors (24764776).

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

22237424 is a wasteful number, since it uses less digits than its factorization.

22237424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 126368 (or 126362 counting only the distinct ones).

The product of its digits is 5376, while the sum is 26.

The square root of 22237424 is about 4715.6573242762. The cubic root of 22237424 is about 281.2083155341.

The spelling of 22237424 in words is "twenty-two million, two hundred thirty-seven thousand, four hundred twenty-four".