222203143 has 2 divisors, whose sum is σ = 222203144. Its totient is φ = 222203142.

The previous prime is 222203129. The next prime is 222203147. The reversal of 222203143 is 341302222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-222203143 is a prime.

It is a super-3 number, since 3×222203143³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222203143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222203147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111101571 + 111101572.

It is an arithmetic number, because the mean of its divisors is an integer number (111101572).

Almost surely, 2^222203143 is an apocalyptic number.

222203143 is a deficient number, since it is larger than the sum of its proper divisors (1).

222203143 is an equidigital number, since it uses as much as digits as its factorization.

222203143 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 222203143 is about 14906.4798996946. The cubic root of 222203143 is about 605.6895291575.

Adding to 222203143 its reverse (341302222), we get a palindrome (563505365).

The spelling of 222203143 in words is "two hundred twenty-two million, two hundred three thousand, one hundred forty-three".