7221084677 has 2 divisors, whose sum is σ = 7221084678. Its totient is φ = 7221084676.

The previous prime is 7221084671. The next prime is 7221084683. The reversal of 7221084677 is 7764801227.

It is a balanced prime because it is at equal distance from previous prime (7221084671) and next prime (7221084683).

It can be written as a sum of positive squares in only one way, i.e., 7173073636 + 48011041 = 84694^2 + 6929^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7221084677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7221084671) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3610542338 + 3610542339.

It is an arithmetic number, because the mean of its divisors is an integer number (3610542339).

Almost surely, 2^7221084677 is an apocalyptic number.

It is an amenable number.

7221084677 is a deficient number, since it is larger than the sum of its proper divisors (1).

7221084677 is an equidigital number, since it uses as much as digits as its factorization.

7221084677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 263424, while the sum is 44.

The square root of 7221084677 is about 84976.9655671465. The cubic root of 7221084677 is about 1932.8618426116.

The spelling of 7221084677 in words is "seven billion, two hundred twenty-one million, eighty-four thousand, six hundred seventy-seven".