2221200743 has 2 divisors, whose sum is σ = 2221200744. Its totient is φ = 2221200742.

The previous prime is 2221200713. The next prime is 2221200829. The reversal of 2221200743 is 3470021222.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221200743 - 2¹² = 2221196647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221200703) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110600371 + 1110600372.

It is an arithmetic number, because the mean of its divisors is an integer number (1110600372).

Almost surely, 2^2221200743 is an apocalyptic number.

2221200743 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221200743 is an equidigital number, since it uses as much as digits as its factorization.

2221200743 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 2221200743 is about 47129.6164104908. The cubic root of 2221200743 is about 1304.7559019478.

Adding to 2221200743 its reverse (3470021222), we get a palindrome (5691221965).

The spelling of 2221200743 in words is "two billion, two hundred twenty-one million, two hundred thousand, seven hundred forty-three".