22305023504209 has 2 divisors, whose sum is σ = 22305023504210. Its totient is φ = 22305023504208.

The previous prime is 22305023504201. The next prime is 22305023504243. The reversal of 22305023504209 is 90240532050322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 19897871254209 + 2407152250000 = 4460703^2 + 1551500^2 .

It is a cyclic number.

It is not a de Polignac number, because 22305023504209 - 2³ = 22305023504201 is a prime.

It is not a weakly prime, because it can be changed into another prime (22305023504201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11152511752104 + 11152511752105.

It is an arithmetic number, because the mean of its divisors is an integer number (11152511752105).

Almost surely, 2^{22305023504209} is an apocalyptic number.

It is an amenable number.

22305023504209 is a deficient number, since it is larger than the sum of its proper divisors (1).

22305023504209 is an equidigital number, since it uses as much as digits as its factorization.

22305023504209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129600, while the sum is 37.

The spelling of 22305023504209 in words is "twenty-two trillion, three hundred five billion, twenty-three million, five hundred four thousand, two hundred nine".