616226207 has 2 divisors, whose sum is σ = 616226208. Its totient is φ = 616226206.

The previous prime is 616226201. The next prime is 616226309. The reversal of 616226207 is 702622616.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 616226207 - 2²⁰ = 615177631 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (616226201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 308113103 + 308113104.

It is an arithmetic number, because the mean of its divisors is an integer number (308113104).

Almost surely, 2^616226207 is an apocalyptic number.

616226207 is a deficient number, since it is larger than the sum of its proper divisors (1).

616226207 is an equidigital number, since it uses as much as digits as its factorization.

616226207 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 616226207 is about 24823.9039435783. The cubic root of 616226207 is about 850.9683114846.

The spelling of 616226207 in words is "six hundred sixteen million, two hundred twenty-six thousand, two hundred seven".