441222143 has 2 divisors, whose sum is σ = 441222144. Its totient is φ = 441222142.

The previous prime is 441222137. The next prime is 441222169. The reversal of 441222143 is 341222144.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 441222143 - 2⁶ = 441222079 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (441222193) 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, 220611071 + 220611072.

It is an arithmetic number, because the mean of its divisors is an integer number (220611072).

Almost surely, 2^441222143 is an apocalyptic number.

441222143 is a deficient number, since it is larger than the sum of its proper divisors (1).

441222143 is an equidigital number, since it uses as much as digits as its factorization.

441222143 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1536, while the sum is 23.

The square root of 441222143 is about 21005.2884531491. The cubic root of 441222143 is about 761.2940459648.

Adding to 441222143 its reverse (341222144), we get a palindrome (782444287).

Subtracting from 441222143 its reverse (341222144), we obtain a palindrome (99999999).

The spelling of 441222143 in words is "four hundred forty-one million, two hundred twenty-two thousand, one hundred forty-three".