22023856 has 10 divisors (see below), whose sum is σ = 42671252. Its totient is φ = 11011920.

The previous prime is 22023853. The next prime is 22023863. The reversal of 22023856 is 65832022.

It is not an unprimeable number, because it can be changed into a prime (22023853) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 688230 + ... + 688261.

Almost surely, 2^22023856 is an apocalyptic number.

It is an amenable number.

22023856 is a deficient number, since it is larger than the sum of its proper divisors (20647396).

22023856 is a wasteful number, since it uses less digits than its factorization.

22023856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1376499 (or 1376493 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 22023856 is about 4692.9581289417. The cubic root of 22023856 is about 280.3051774644.

Adding to 22023856 its reverse (65832022), we get a palindrome (87855878).

The spelling of 22023856 in words is "twenty-two million, twenty-three thousand, eight hundred fifty-six".