22134243 has 4 divisors (see below), whose sum is σ = 29512328. Its totient is φ = 14756160.

The previous prime is 22134209. The next prime is 22134247. The reversal of 22134243 is 34243122.

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

It is not a de Polignac number, because 22134243 - 2⁸ = 22133987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22134247) 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, 3689038 + ... + 3689043.

It is an arithmetic number, because the mean of its divisors is an integer number (7378082).

Almost surely, 2^22134243 is an apocalyptic number.

22134243 is a deficient number, since it is larger than the sum of its proper divisors (7378085).

22134243 is an equidigital number, since it uses as much as digits as its factorization.

22134243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7378084.

The product of its digits is 1152, while the sum is 21.

The square root of 22134243 is about 4704.7043477779. The cubic root of 22134243 is about 280.7727083036.

Adding to 22134243 its reverse (34243122), we get a palindrome (56377365).

The spelling of 22134243 in words is "twenty-two million, one hundred thirty-four thousand, two hundred forty-three".