22163224 has 16 divisors (see below), whose sum is σ = 41677200. Its totient is φ = 11049312.

The previous prime is 22163201. The next prime is 22163261. The reversal of 22163224 is 42236122.

It is a junction number, because it is equal to n+sod(n) for n = 22163195 and 22163204.

It is a congruent number.

It is an unprimeable number.

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, 987 + ... + 6730.

It is an arithmetic number, because the mean of its divisors is an integer number (2604825).

Almost surely, 2^22163224 is an apocalyptic number.

It is an amenable number.

22163224 is a deficient number, since it is larger than the sum of its proper divisors (19513976).

22163224 is a wasteful number, since it uses less digits than its factorization.

22163224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8082 (or 8078 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 22163224 is about 4707.7833425084. The cubic root of 22163224 is about 280.8951961169.

Adding to 22163224 its reverse (42236122), we get a palindrome (64399346).

The spelling of 22163224 in words is "twenty-two million, one hundred sixty-three thousand, two hundred twenty-four".