7206422081 has 2 divisors, whose sum is σ = 7206422082. Its totient is φ = 7206422080.

The previous prime is 7206422071. The next prime is 7206422173. The reversal of 7206422081 is 1802246027.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5350191025 + 1856231056 = 73145^2 + 43084^2 .

It is a cyclic number.

It is not a de Polignac number, because 7206422081 - 2⁶ = 7206422017 is a prime.

It is a super-2 number, since 2×7206422081² (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (7206422071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3603211040 + 3603211041.

It is an arithmetic number, because the mean of its divisors is an integer number (3603211041).

Almost surely, 2^7206422081 is an apocalyptic number.

It is an amenable number.

7206422081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7206422081 is an equidigital number, since it uses as much as digits as its factorization.

7206422081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 10752, while the sum is 32.

The square root of 7206422081 is about 84890.6477828977. The cubic root of 7206422081 is about 1931.5527144368.

The spelling of 7206422081 in words is "seven billion, two hundred six million, four hundred twenty-two thousand, eighty-one".