222181822222 has 8 divisors (see below), whose sum is σ = 336572463672. Its totient is φ = 109991001000.

The previous prime is 222181822207. The next prime is 222181822237. The reversal of 222181822222 is 222228181222.

It is an interprime number because it is at equal distance from previous prime (222181822207) and next prime (222181822237).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 549954804 + ... + 549955207.

It is an arithmetic number, because the mean of its divisors is an integer number (42071557959).

Almost surely, 2^222181822222 is an apocalyptic number.

222181822222 is a deficient number, since it is larger than the sum of its proper divisors (114390641450).

222181822222 is a wasteful number, since it uses less digits than its factorization.

222181822222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1099910114.

The product of its digits is 16384, while the sum is 34.

The spelling of 222181822222 in words is "two hundred twenty-two billion, one hundred eighty-one million, eight hundred twenty-two thousand, two hundred twenty-two".