94622809 has 2 divisors, whose sum is σ = 94622810. Its totient is φ = 94622808.

The previous prime is 94622789. The next prime is 94622813. The reversal of 94622809 is 90822649.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 91393600 + 3229209 = 9560^2 + 1797^2 .

It is a cyclic number.

It is not a de Polignac number, because 94622809 - 2⁵ = 94622777 is a prime.

It is not a weakly prime, because it can be changed into another prime (94622839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47311404 + 47311405.

It is an arithmetic number, because the mean of its divisors is an integer number (47311405).

Almost surely, 2^94622809 is an apocalyptic number.

It is an amenable number.

94622809 is a deficient number, since it is larger than the sum of its proper divisors (1).

94622809 is an equidigital number, since it uses as much as digits as its factorization.

94622809 is an evil number, because the sum of its binary digits is even.

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

The square root of 94622809 is about 9727.4256100985. The cubic root of 94622809 is about 455.6855727796.

The spelling of 94622809 in words is "ninety-four million, six hundred twenty-two thousand, eight hundred nine".