222212211999 has 8 divisors (see below), whose sum is σ = 297919872432. Its totient is φ = 147323013120.

The previous prime is 222212211997. The next prime is 222212212007. The reversal of 222212211999 is 999112212222.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 222212211999 - 2¹ = 222212211997 is a prime.

It is a super-2 number, since 2×222212211999² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 222212211999.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222212211997) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 204614754 + ... + 204615839.

It is an arithmetic number, because the mean of its divisors is an integer number (37239984054).

Almost surely, 2^222212211999 is an apocalyptic number.

222212211999 is a deficient number, since it is larger than the sum of its proper divisors (75707660433).

222212211999 is a wasteful number, since it uses less digits than its factorization.

222212211999 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409230777.

The product of its digits is 46656, while the sum is 42.

The spelling of 222212211999 in words is "two hundred twenty-two billion, two hundred twelve million, two hundred eleven thousand, nine hundred ninety-nine".