22541143 has 2 divisors, whose sum is σ = 22541144. Its totient is φ = 22541142.

The previous prime is 22541137. The next prime is 22541171. The reversal of 22541143 is 34114522.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22541143 - 2¹⁷ = 22410071 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22541443) 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, 11270571 + 11270572.

It is an arithmetic number, because the mean of its divisors is an integer number (11270572).

Almost surely, 2^22541143 is an apocalyptic number.

22541143 is a deficient number, since it is larger than the sum of its proper divisors (1).

22541143 is an equidigital number, since it uses as much as digits as its factorization.

22541143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 960, while the sum is 22.

The square root of 22541143 is about 4747.7513624873. The cubic root of 22541143 is about 282.4827796431.

Adding to 22541143 its reverse (34114522), we get a palindrome (56655665).

The spelling of 22541143 in words is "twenty-two million, five hundred forty-one thousand, one hundred forty-three".