194919205222 has 32 divisors (see below), whose sum is σ = 351781516800. Its totient is φ = 79129415808.

The previous prime is 194919205189. The next prime is 194919205231. The reversal of 194919205222 is 222502919491.

It is a happy number.

It is a congruent 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 in 15 ways as a sum of consecutive naturals, for example, 2092798 + ... + 2183950.

It is an arithmetic number, because the mean of its divisors is an integer number (10993172400).

Almost surely, 2^194919205222 is an apocalyptic number.

194919205222 is a deficient number, since it is larger than the sum of its proper divisors (156862311578).

194919205222 is a wasteful number, since it uses less digits than its factorization.

194919205222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99220.

The product of its (nonzero) digits is 233280, while the sum is 46.

The spelling of 194919205222 in words is "one hundred ninety-four billion, nine hundred nineteen million, two hundred five thousand, two hundred twenty-two".