222543143 has 6 divisors (see below), whose sum is σ = 234872784. Its totient is φ = 210830004.

The previous prime is 222543137. The next prime is 222543149. The reversal of 222543143 is 341345222.

It is an interprime number because it is at equal distance from previous prime (222543137) and next prime (222543149).

It is not a de Polignac number, because 222543143 - 2¹⁰ = 222542119 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222543149) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 307871 + ... + 308592.

It is an arithmetic number, because the mean of its divisors is an integer number (39145464).

Almost surely, 2^222543143 is an apocalyptic number.

222543143 is a deficient number, since it is larger than the sum of its proper divisors (12329641).

222543143 is an equidigital number, since it uses as much as digits as its factorization.

222543143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 616501 (or 616482 counting only the distinct ones).

The product of its digits is 5760, while the sum is 26.

The square root of 222543143 is about 14917.8799767259. The cubic root of 222543143 is about 605.9982999077.

Adding to 222543143 its reverse (341345222), we get a palindrome (563888365).

The spelling of 222543143 in words is "two hundred twenty-two million, five hundred forty-three thousand, one hundred forty-three".