22543325221999 has 2 divisors, whose sum is σ = 22543325222000. Its totient is φ = 22543325221998.

The previous prime is 22543325221981. The next prime is 22543325222003. The reversal of 22543325221999 is 99912252334522.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 22543325221999 - 2⁷ = 22543325221871 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22583325221999) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11271662610999 + 11271662611000.

It is an arithmetic number, because the mean of its divisors is an integer number (11271662611000).

Almost surely, 2^{22543325221999} is an apocalyptic number.

22543325221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22543325221999 is an equidigital number, since it uses as much as digits as its factorization.

22543325221999 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20995200, while the sum is 58.

The spelling of 22543325221999 in words is "twenty-two trillion, five hundred forty-three billion, three hundred twenty-five million, two hundred twenty-one thousand, nine hundred ninety-nine".