90002122022209 has 2 divisors, whose sum is σ = 90002122022210. Its totient is φ = 90002122022208.

The previous prime is 90002122022167. The next prime is 90002122022227. The reversal of 90002122022209 is 90222022120009.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 72387816658609 + 17614305363600 = 8508103^2 + 4196940^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-90002122022209 is a prime.

It is not a weakly prime, because it can be changed into another prime (90002122022269) 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, 45001061011104 + 45001061011105.

It is an arithmetic number, because the mean of its divisors is an integer number (45001061011105).

Almost surely, 2^{90002122022209} is an apocalyptic number.

It is an amenable number.

90002122022209 is a deficient number, since it is larger than the sum of its proper divisors (1).

90002122022209 is an equidigital number, since it uses as much as digits as its factorization.

90002122022209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The spelling of 90002122022209 in words is "ninety trillion, two billion, one hundred twenty-two million, twenty-two thousand, two hundred nine".