609222247 has 2 divisors, whose sum is σ = 609222248. Its totient is φ = 609222246.

The previous prime is 609222191. The next prime is 609222277. The reversal of 609222247 is 742222906.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 609222247 - 2¹⁹ = 608697959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (609222277) 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, 304611123 + 304611124.

It is an arithmetic number, because the mean of its divisors is an integer number (304611124).

Almost surely, 2^609222247 is an apocalyptic number.

609222247 is a deficient number, since it is larger than the sum of its proper divisors (1).

609222247 is an equidigital number, since it uses as much as digits as its factorization.

609222247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 609222247 is about 24682.4278992161. The cubic root of 609222247 is about 847.7320148032.

The spelling of 609222247 in words is "six hundred nine million, two hundred twenty-two thousand, two hundred forty-seven".