7282221671 has 2 divisors, whose sum is σ = 7282221672. Its totient is φ = 7282221670.

The previous prime is 7282221649. The next prime is 7282221763. The reversal of 7282221671 is 1761222827.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 7282221671 - 2¹⁸ = 7281959527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7282221641) 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, 3641110835 + 3641110836.

It is an arithmetic number, because the mean of its divisors is an integer number (3641110836).

Almost surely, 2^7282221671 is an apocalyptic number.

7282221671 is a deficient number, since it is larger than the sum of its proper divisors (1).

7282221671 is an equidigital number, since it uses as much as digits as its factorization.

7282221671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 37632, while the sum is 38.

The square root of 7282221671 is about 85335.9342305456. The cubic root of 7282221671 is about 1938.3013500199.

The spelling of 7282221671 in words is "seven billion, two hundred eighty-two million, two hundred twenty-one thousand, six hundred seventy-one".