7226081 has 2 divisors, whose sum is σ = 7226082. Its totient is φ = 7226080.

The previous prime is 7226077. The next prime is 7226083. The reversal of 7226081 is 1806227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7182400 + 43681 = 2680^2 + 209^2 .

It is an emirp because it is prime and its reverse (1806227) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7226081 - 2² = 7226077 is a prime.

It is a super-2 number, since 2×7226081² = 104432493237122, which contains 22 as substring.

Together with 7226083, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7226081.

It is not a weakly prime, because it can be changed into another prime (7226083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3613040 + 3613041.

It is an arithmetic number, because the mean of its divisors is an integer number (3613041).

Almost surely, 2^7226081 is an apocalyptic number.

It is an amenable number.

7226081 is a deficient number, since it is larger than the sum of its proper divisors (1).

7226081 is an equidigital number, since it uses as much as digits as its factorization.

7226081 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 26.

The square root of 7226081 is about 2688.1370872781. The cubic root of 7226081 is about 193.3307527070.

The spelling of 7226081 in words is "seven million, two hundred twenty-six thousand, eighty-one".