22243705 has 8 divisors (see below), whose sum is σ = 29119104. Its totient is φ = 16177200.

The previous prime is 22243693. The next prime is 22243717. The reversal of 22243705 is 50734222.

It is an interprime number because it is at equal distance from previous prime (22243693) and next prime (22243717).

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 22243705 - 2⁵ = 22243673 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 22243705.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 202161 + ... + 202270.

It is an arithmetic number, because the mean of its divisors is an integer number (3639888).

Almost surely, 2^22243705 is an apocalyptic number.

It is an amenable number.

22243705 is a deficient number, since it is larger than the sum of its proper divisors (6875399).

22243705 is a wasteful number, since it uses less digits than its factorization.

22243705 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 404447.

The product of its (nonzero) digits is 3360, while the sum is 25.

The square root of 22243705 is about 4716.3232501600. The cubic root of 22243705 is about 281.2347889716.

Adding to 22243705 its reverse (50734222), we get a palindrome (72977927).

It can be divided in two parts, 2224 and 3705, that added together give a square (5929 = 77²).

The spelling of 22243705 in words is "twenty-two million, two hundred forty-three thousand, seven hundred five".