22023928 has 16 divisors (see below), whose sum is σ = 41972760. Its totient is φ = 10831200.

The previous prime is 22023923. The next prime is 22023971. The reversal of 22023928 is 82932022.

It is a junction number, because it is equal to n+sod(n) for n = 22023896 and 22023905.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22023923) by changing a digit.

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, 22078 + ... + 23053.

Almost surely, 2^22023928 is an apocalyptic number.

It is an amenable number.

22023928 is a deficient number, since it is larger than the sum of its proper divisors (19948832).

22023928 is a wasteful number, since it uses less digits than its factorization.

22023928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45198 (or 45194 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 22023928 is about 4692.9658000032. The cubic root of 22023928 is about 280.3054829203.

The spelling of 22023928 in words is "twenty-two million, twenty-three thousand, nine hundred twenty-eight".