22241143 has 2 divisors, whose sum is σ = 22241144. Its totient is φ = 22241142.

The previous prime is 22241137. The next prime is 22241179. The reversal of 22241143 is 34114222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22241143 - 2¹⁷ = 22110071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 22241143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22241113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11120571 + 11120572.

It is an arithmetic number, because the mean of its divisors is an integer number (11120572).

Almost surely, 2^22241143 is an apocalyptic number.

22241143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22241143 is an equidigital number, since it uses as much as digits as its factorization.

22241143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 384, while the sum is 19.

The square root of 22241143 is about 4716.0516324570. The cubic root of 22241143 is about 281.2239911422.

Adding to 22241143 its reverse (34114222), we get a palindrome (56355365).

It can be divided in two parts, 22 and 241143, that added together give a triangular number (241165 = T₆₉₄).

The spelling of 22241143 in words is "twenty-two million, two hundred forty-one thousand, one hundred forty-three".