7282220669 has 2 divisors, whose sum is σ = 7282220670. Its totient is φ = 7282220668.

The previous prime is 7282220651. The next prime is 7282220689. The reversal of 7282220669 is 9660222827.

7282220669 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4457298169 + 2824922500 = 66763^2 + 53150^2 .

It is an emirp because it is prime and its reverse (9660222827) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7282220669 - 2²⁴ = 7265443453 is a prime.

It is a super-2 number, since 2×7282220669² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7282220629) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3641110334 + 3641110335.

It is an arithmetic number, because the mean of its divisors is an integer number (3641110335).

Almost surely, 2^7282220669 is an apocalyptic number.

It is an amenable number.

7282220669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7282220669 is an equidigital number, since it uses as much as digits as its factorization.

7282220669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 44.

The square root of 7282220669 is about 85335.9283596306. The cubic root of 7282220669 is about 1938.3012611195.

The spelling of 7282220669 in words is "seven billion, two hundred eighty-two million, two hundred twenty thousand, six hundred sixty-nine".