7422211691 has 2 divisors, whose sum is σ = 7422211692. Its totient is φ = 7422211690.

The previous prime is 7422211633. The next prime is 7422211697. The reversal of 7422211691 is 1961122247.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7422211691 is a prime.

It is not a weakly prime, because it can be changed into another prime (7422211697) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3711105845 + 3711105846.

It is an arithmetic number, because the mean of its divisors is an integer number (3711105846).

Almost surely, 2^7422211691 is an apocalyptic number.

7422211691 is a deficient number, since it is larger than the sum of its proper divisors (1).

7422211691 is an equidigital number, since it uses as much as digits as its factorization.

7422211691 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 7422211691 is about 86152.2587689957. The cubic root of 7422211691 is about 1950.6429342584.

The spelling of 7422211691 in words is "seven billion, four hundred twenty-two million, two hundred eleven thousand, six hundred ninety-one".