22680353 has 4 divisors (see below), whose sum is σ = 22761348. Its totient is φ = 22599360.

The previous prime is 22680341. The next prime is 22680373. The reversal of 22680353 is 35308622.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6091024 + 16589329 = 2468^2 + 4073^2 .

It is a cyclic number.

It is not a de Polignac number, because 22680353 - 2⁶ = 22680289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22680373) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40076 + ... + 40637.

It is an arithmetic number, because the mean of its divisors is an integer number (5690337).

Almost surely, 2^22680353 is an apocalyptic number.

It is an amenable number.

22680353 is a deficient number, since it is larger than the sum of its proper divisors (80995).

22680353 is an equidigital number, since it uses as much as digits as its factorization.

22680353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80994.

The product of its (nonzero) digits is 8640, while the sum is 29.

The square root of 22680353 is about 4762.3894212884. The cubic root of 22680353 is about 283.0631073704.

Adding to 22680353 its reverse (35308622), we get a palindrome (57988975).

The spelling of 22680353 in words is "twenty-two million, six hundred eighty thousand, three hundred fifty-three".