98422609 has 2 divisors, whose sum is σ = 98422610. Its totient is φ = 98422608.

The previous prime is 98422573. The next prime is 98422637. The reversal of 98422609 is 90622489.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 78145600 + 20277009 = 8840^2 + 4503^2 .

It is a cyclic number.

It is not a de Polignac number, because 98422609 - 2¹⁷ = 98291537 is a prime.

It is not a weakly prime, because it can be changed into another prime (98422669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49211304 + 49211305.

It is an arithmetic number, because the mean of its divisors is an integer number (49211305).

Almost surely, 2^98422609 is an apocalyptic number.

It is an amenable number.

98422609 is a deficient number, since it is larger than the sum of its proper divisors (1).

98422609 is an equidigital number, since it uses as much as digits as its factorization.

98422609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 40.

The square root of 98422609 is about 9920.8169522474. The cubic root of 98422609 is about 461.7054039764.

The spelling of 98422609 in words is "ninety-eight million, four hundred twenty-two thousand, six hundred nine".