222122321999 has 2 divisors, whose sum is σ = 222122322000. Its totient is φ = 222122321998.

The previous prime is 222122321987. The next prime is 222122322041. The reversal of 222122321999 is 999123221222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222122321999 - 2³⁶ = 153402845263 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222122321959) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111061160999 + 111061161000.

It is an arithmetic number, because the mean of its divisors is an integer number (111061161000).

Almost surely, 2^222122321999 is an apocalyptic number.

222122321999 is a deficient number, since it is larger than the sum of its proper divisors (1).

222122321999 is an equidigital number, since it uses as much as digits as its factorization.

222122321999 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 139968, while the sum is 44.

The spelling of 222122321999 in words is "two hundred twenty-two billion, one hundred twenty-two million, three hundred twenty-one thousand, nine hundred ninety-nine".