22002221999 has 2 divisors, whose sum is σ = 22002222000. Its totient is φ = 22002221998.

The previous prime is 22002221993. The next prime is 22002222017. The reversal of 22002221999 is 99912220022.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 22002221999 - 2²⁰ = 22001173423 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (22002221993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 11001110999 + 11001111000.

It is an arithmetic number, because the mean of its divisors is an integer number (11001111000).

Almost surely, 2^22002221999 is an apocalyptic number.

22002221999 is a deficient number, since it is larger than the sum of its proper divisors (1).

22002221999 is an equidigital number, since it uses as much as digits as its factorization.

22002221999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 23328, while the sum is 38.

The spelling of 22002221999 in words is "twenty-two billion, two million, two hundred twenty-one thousand, nine hundred ninety-nine".