2221202143 has 2 divisors, whose sum is σ = 2221202144. Its totient is φ = 2221202142.

The previous prime is 2221202131. The next prime is 2221202149. The reversal of 2221202143 is 3412021222.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2221202143 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2221202143.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221202149) 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, 1110601071 + 1110601072.

It is an arithmetic number, because the mean of its divisors is an integer number (1110601072).

Almost surely, 2^2221202143 is an apocalyptic number.

2221202143 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221202143 is an equidigital number, since it uses as much as digits as its factorization.

2221202143 is an odious number, because the sum of its binary digits is odd.

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

The square root of 2221202143 is about 47129.6312631448. The cubic root of 2221202143 is about 1304.7561760724.

Adding to 2221202143 its reverse (3412021222), we get a palindrome (5633223365).

The spelling of 2221202143 in words is "two billion, two hundred twenty-one million, two hundred two thousand, one hundred forty-three".