222004999 has 2 divisors, whose sum is σ = 222005000. Its totient is φ = 222004998.

The previous prime is 222004973. The next prime is 222005027. The reversal of 222004999 is 999400222.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 222004999 - 2¹¹ = 222002951 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (222004799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111002499 + 111002500.

It is an arithmetic number, because the mean of its divisors is an integer number (111002500).

Almost surely, 2^222004999 is an apocalyptic number.

222004999 is a deficient number, since it is larger than the sum of its proper divisors (1).

222004999 is an equidigital number, since it uses as much as digits as its factorization.

222004999 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 222004999 is about 14899.8321802630. The cubic root of 222004999 is about 605.5094395404.

The spelling of 222004999 in words is "two hundred twenty-two million, four thousand, nine hundred ninety-nine".