222200220194 has 4 divisors (see below), whose sum is σ = 333300330294. Its totient is φ = 111100110096.

The previous prime is 222200220167. The next prime is 222200220217. The reversal of 222200220194 is 491022002222.

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

It can be written as a sum of positive squares in only one way, i.e., 132012322225 + 90187897969 = 363335^2 + 300313^2 .

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 55550055047 + ... + 55550055050.

Almost surely, 2^222200220194 is an apocalyptic number.

222200220194 is a deficient number, since it is larger than the sum of its proper divisors (111100110100).

222200220194 is a wasteful number, since it uses less digits than its factorization.

222200220194 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111100110099.

The product of its (nonzero) digits is 2304, while the sum is 26.

The spelling of 222200220194 in words is "two hundred twenty-two billion, two hundred million, two hundred twenty thousand, one hundred ninety-four".