22025045656309 has 2 divisors, whose sum is σ = 22025045656310. Its totient is φ = 22025045656308.

The previous prime is 22025045656277. The next prime is 22025045656409. The reversal of 22025045656309 is 90365654052022.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 21995865500625 + 29180155684 = 4689975^2 + 170822^2 .

It is a cyclic number.

It is not a de Polignac number, because 22025045656309 - 2⁵ = 22025045656277 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22025045656409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11012522828154 + 11012522828155.

It is an arithmetic number, because the mean of its divisors is an integer number (11012522828155).

Almost surely, 2^{22025045656309} is an apocalyptic number.

It is an amenable number.

22025045656309 is a deficient number, since it is larger than the sum of its proper divisors (1).

22025045656309 is an equidigital number, since it uses as much as digits as its factorization.

22025045656309 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3888000, while the sum is 49.

The spelling of 22025045656309 in words is "twenty-two trillion, twenty-five billion, forty-five million, six hundred fifty-six thousand, three hundred nine".