2221322071 has 2 divisors, whose sum is σ = 2221322072. Its totient is φ = 2221322070.

The previous prime is 2221322057. The next prime is 2221322203. The reversal of 2221322071 is 1702231222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2221322071 - 2¹⁷ = 2221190999 is a prime.

It is a super-2 number, since 2×2221322071² = 9868543486223458082, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2221322011) 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, 1110661035 + 1110661036.

It is an arithmetic number, because the mean of its divisors is an integer number (1110661036).

Almost surely, 2^2221322071 is an apocalyptic number.

2221322071 is a deficient number, since it is larger than the sum of its proper divisors (1).

2221322071 is an equidigital number, since it uses as much as digits as its factorization.

2221322071 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 2221322071 is about 47130.9035665560. The cubic root of 2221322071 is about 1304.7796579489.

Adding to 2221322071 its reverse (1702231222), we get a palindrome (3923553293).

The spelling of 2221322071 in words is "two billion, two hundred twenty-one million, three hundred twenty-two thousand, seventy-one".