222222016999 has 4 divisors (see below), whose sum is σ = 222223759240. Its totient is φ = 222220274760.

The previous prime is 222222016963. The next prime is 222222017011. The reversal of 222222016999 is 999610222222.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 222222016999 - 2⁷ = 222222016871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222222916999) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 663264 + ... + 940405.

It is an arithmetic number, because the mean of its divisors is an integer number (55555939810).

Almost surely, 2^222222016999 is an apocalyptic number.

222222016999 is a deficient number, since it is larger than the sum of its proper divisors (1742241).

222222016999 is a wasteful number, since it uses less digits than its factorization.

222222016999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742240.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 222222016999 in words is "two hundred twenty-two billion, two hundred twenty-two million, sixteen thousand, nine hundred ninety-nine".