22093844 has 12 divisors (see below), whose sum is σ = 38764404. Its totient is φ = 11018304.

The previous prime is 22093843. The next prime is 22093849. The reversal of 22093844 is 44839022.

It can be written as a sum of positive squares in 2 ways, for example, as 14531344 + 7562500 = 3812^2 + 2750^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 22093844.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22093843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5369 + ... + 8544.

It is an arithmetic number, because the mean of its divisors is an integer number (3230367).

Almost surely, 2^22093844 is an apocalyptic number.

It is an amenable number.

22093844 is a deficient number, since it is larger than the sum of its proper divisors (16670560).

22093844 is a wasteful number, since it uses less digits than its factorization.

22093844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14314 (or 14312 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 32.

The square root of 22093844 is about 4700.4089183815. The cubic root of 22093844 is about 280.6017839336.

It can be divided in two parts, 2209 and 3844, that multiplied together give a square (8491396 = 2914²).

The spelling of 22093844 in words is "twenty-two million, ninety-three thousand, eight hundred forty-four".