7224055669 has 2 divisors, whose sum is σ = 7224055670. Its totient is φ = 7224055668.

The previous prime is 7224055649. The next prime is 7224055681. The reversal of 7224055669 is 9665504227.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6953058225 + 270997444 = 83385^2 + 16462^2 .

It is a cyclic number.

It is not a de Polignac number, because 7224055669 - 2⁵ = 7224055637 is a prime.

It is a super-2 number, since 2×7224055669² (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 (7224055649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3612027834 + 3612027835.

It is an arithmetic number, because the mean of its divisors is an integer number (3612027835).

Almost surely, 2^7224055669 is an apocalyptic number.

It is an amenable number.

7224055669 is a deficient number, since it is larger than the sum of its proper divisors (1).

7224055669 is an equidigital number, since it uses as much as digits as its factorization.

7224055669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 907200, while the sum is 46.

The square root of 7224055669 is about 84994.4449302424. Note that the first 3 decimals coincide. The cubic root of 7224055669 is about 1933.1268872670.

The spelling of 7224055669 in words is "seven billion, two hundred twenty-four million, fifty-five thousand, six hundred sixty-nine".