22243243 has 8 divisors (see below), whose sum is σ = 25542720. Its totient is φ = 19156680.

The previous prime is 22243229. The next prime is 22243283. The reversal of 22243243 is 34234222.

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

It is a cyclic number.

It is not a de Polignac number, because 22243243 - 2¹³ = 22235051 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22243283) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 53005 + ... + 53422.

It is an arithmetic number, because the mean of its divisors is an integer number (3192840).

Almost surely, 2^22243243 is an apocalyptic number.

22243243 is a deficient number, since it is larger than the sum of its proper divisors (3299477).

22243243 is a wasteful number, since it uses less digits than its factorization.

22243243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106457.

The product of its digits is 2304, while the sum is 22.

The square root of 22243243 is about 4716.2742710746. The cubic root of 22243243 is about 281.2328418833.

Adding to 22243243 its reverse (34234222), we get a palindrome (56477465).

The spelling of 22243243 in words is "twenty-two million, two hundred forty-three thousand, two hundred forty-three".