7022861 has 2 divisors, whose sum is σ = 7022862. Its totient is φ = 7022860.

The previous prime is 7022857. The next prime is 7022867. The reversal of 7022861 is 1682207.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 361 = 2650^2 + 19^2 .

It is an emirp because it is prime and its reverse (1682207) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7022861 - 2² = 7022857 is a prime.

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 7022861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7022867) 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, 3511430 + 3511431.

It is an arithmetic number, because the mean of its divisors is an integer number (3511431).

Almost surely, 2^7022861 is an apocalyptic number.

It is an amenable number.

7022861 is a deficient number, since it is larger than the sum of its proper divisors (1).

7022861 is an equidigital number, since it uses as much as digits as its factorization.

7022861 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 7022861 is about 2650.0681123322. The cubic root of 7022861 is about 191.5011373201.

The spelling of 7022861 in words is "seven million, twenty-two thousand, eight hundred sixty-one".