22243313 has 2 divisors, whose sum is σ = 22243314. Its totient is φ = 22243312.

The previous prime is 22243307. The next prime is 22243321. The reversal of 22243313 is 31334222.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 20584369 + 1658944 = 4537^2 + 1288^2 .

It is a cyclic number.

It is not a de Polignac number, because 22243313 - 2¹⁰ = 22242289 is a prime.

It is not a weakly prime, because it can be changed into another prime (22243363) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11121656 + 11121657.

It is an arithmetic number, because the mean of its divisors is an integer number (11121657).

Almost surely, 2^22243313 is an apocalyptic number.

It is an amenable number.

22243313 is a deficient number, since it is larger than the sum of its proper divisors (1).

22243313 is an equidigital number, since it uses as much as digits as its factorization.

22243313 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 20.

The square root of 22243313 is about 4716.2816921808. The cubic root of 22243313 is about 281.2331368984.

Adding to 22243313 its reverse (31334222), we get a palindrome (53577535).

Subtracting 22243313 from its reverse (31334222), we obtain a palindrome (9090909).

The spelling of 22243313 in words is "twenty-two million, two hundred forty-three thousand, three hundred thirteen".