22741143 has 4 divisors (see below), whose sum is σ = 30321528. Its totient is φ = 15160760.

The previous prime is 22741139. The next prime is 22741151. The reversal of 22741143 is 34114722.

It is a happy number.

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 22741143 - 2² = 22741139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22741153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3790188 + ... + 3790193.

It is an arithmetic number, because the mean of its divisors is an integer number (7580382).

Almost surely, 2^22741143 is an apocalyptic number.

22741143 is a deficient number, since it is larger than the sum of its proper divisors (7580385).

22741143 is an equidigital number, since it uses as much as digits as its factorization.

22741143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7580384.

The product of its digits is 1344, while the sum is 24.

The square root of 22741143 is about 4768.7674508200. The cubic root of 22741143 is about 283.3157791508.

Adding to 22741143 its reverse (34114722), we get a palindrome (56855865).

The spelling of 22741143 in words is "twenty-two million, seven hundred forty-one thousand, one hundred forty-three".