22021124 has 12 divisors (see below), whose sum is σ = 38570448. Its totient is φ = 11001000.

The previous prime is 22021123. The next prime is 22021151. The reversal of 22021124 is 42112022.

It is a junction number, because it is equal to n+sod(n) for n = 22021099 and 22021108.

It is not an unprimeable number, because it can be changed into a prime (22021123) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6299 + ... + 9149.

It is an arithmetic number, because the mean of its divisors is an integer number (3214204).

Almost surely, 2^22021124 is an apocalyptic number.

It is an amenable number.

22021124 is a deficient number, since it is larger than the sum of its proper divisors (16549324).

22021124 is a wasteful number, since it uses less digits than its factorization.

22021124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4786 (or 4784 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 22021124 is about 4692.6670455083. The cubic root of 22021124 is about 280.2935866177.

Adding to 22021124 its reverse (42112022), we get a palindrome (64133146).

The spelling of 22021124 in words is "twenty-two million, twenty-one thousand, one hundred twenty-four".