22144024 has 16 divisors (see below), whose sum is σ = 47451600. Its totient is φ = 9490272.

The previous prime is 22144021. The next prime is 22144049. The reversal of 22144024 is 42044122.

It is a junction number, because it is equal to n+sod(n) for n = 22143992 and 22144010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22144021) 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, 197659 + ... + 197770.

It is an arithmetic number, because the mean of its divisors is an integer number (2965725).

Almost surely, 2^22144024 is an apocalyptic number.

It is an amenable number.

22144024 is an abundant number, since it is smaller than the sum of its proper divisors (25307576).

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

22144024 is a wasteful number, since it uses less digits than its factorization.

22144024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395442 (or 395438 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 22144024 is about 4705.7437244287. The cubic root of 22144024 is about 280.8140595174.

Adding to 22144024 its reverse (42044122), we get a palindrome (64188146).

The spelling of 22144024 in words is "twenty-two million, one hundred forty-four thousand, twenty-four".