7076221 has 2 divisors, whose sum is σ = 7076222. Its totient is φ = 7076220.

The previous prime is 7076207. The next prime is 7076263. The reversal of 7076221 is 1226707.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5707321 + 1368900 = 2389^2 + 1170^2 .

It is an emirp because it is prime and its reverse (1226707) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7076221 - 2⁷ = 7076093 is a prime.

It is equal to p₄₈₁₅₀₇ and since 7076221 and 481507 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7076281) 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, 3538110 + 3538111.

It is an arithmetic number, because the mean of its divisors is an integer number (3538111).

Almost surely, 2^7076221 is an apocalyptic number.

It is an amenable number.

7076221 is a deficient number, since it is larger than the sum of its proper divisors (1).

7076221 is an equidigital number, since it uses as much as digits as its factorization.

7076221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1176, while the sum is 25.

The square root of 7076221 is about 2660.1167267622. The cubic root of 7076221 is about 191.9849253934.

It can be divided in two parts, 7076 and 221, that multiplied together give a triangular number (1563796 = T₁₇₆₈).

The spelling of 7076221 in words is "seven million, seventy-six thousand, two hundred twenty-one".