22023224 has 32 divisors (see below), whose sum is σ = 42881520. Its totient is φ = 10596096.

The previous prime is 22023217. The next prime is 22023227. The reversal of 22023224 is 42232022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24674 + ... + 25550.

Almost surely, 2^22023224 is an apocalyptic number.

It is an amenable number.

22023224 is a deficient number, since it is larger than the sum of its proper divisors (20858296).

22023224 is a wasteful number, since it uses less digits than its factorization.

22023224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 995 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 22023224 is about 4692.8907935301. The cubic root of 22023224 is about 280.3024962117.

Adding to 22023224 its reverse (42232022), we get a palindrome (64255246).

The spelling of 22023224 in words is "twenty-two million, twenty-three thousand, two hundred twenty-four".