22401343 has 4 divisors (see below), whose sum is σ = 22459320. Its totient is φ = 22343368.

The previous prime is 22401341. The next prime is 22401349. The reversal of 22401343 is 34310422.

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

It is a cyclic number.

It is not a de Polignac number, because 22401343 - 2¹ = 22401341 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 22401343.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22401341) 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, 28405 + ... + 29182.

It is an arithmetic number, because the mean of its divisors is an integer number (5614830).

Almost surely, 2^22401343 is an apocalyptic number.

22401343 is a deficient number, since it is larger than the sum of its proper divisors (57977).

22401343 is an equidigital number, since it uses as much as digits as its factorization.

22401343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57976.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 22401343 is about 4733.0057046236. The cubic root of 22401343 is about 281.8975828142.

Adding to 22401343 its reverse (34310422), we get a palindrome (56711765).

The spelling of 22401343 in words is "twenty-two million, four hundred one thousand, three hundred forty-three".