22437424 has 20 divisors (see below), whose sum is σ = 44398944. Its totient is φ = 10979648.

The previous prime is 22437421. The next prime is 22437427. The reversal of 22437424 is 42473422.

It is an interprime number because it is at equal distance from previous prime (22437421) and next prime (22437427).

It is a junction number, because it is equal to n+sod(n) for n = 22437392 and 22437401.

It is not an unprimeable number, because it can be changed into a prime (22437421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14167 + ... + 15670.

Almost surely, 2^22437424 is an apocalyptic number.

It is an amenable number.

22437424 is a deficient number, since it is larger than the sum of its proper divisors (21961520).

22437424 is a wasteful number, since it uses less digits than its factorization.

22437424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29892 (or 29886 counting only the distinct ones).

The product of its digits is 10752, while the sum is 28.

The square root of 22437424 is about 4736.8158081141. The cubic root of 22437424 is about 282.0488489058.

The spelling of 22437424 in words is "twenty-two million, four hundred thirty-seven thousand, four hundred twenty-four".