199210009922 has 16 divisors (see below), whose sum is σ = 372548590272. Its totient is φ = 77614289520.

The previous prime is 199210009919. The next prime is 199210009967. The reversal of 199210009922 is 229900012991.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 646785593 + ... + 646785900.

It is an arithmetic number, because the mean of its divisors is an integer number (23284286892).

Almost surely, 2^199210009922 is an apocalyptic number.

199210009922 is a deficient number, since it is larger than the sum of its proper divisors (173338580350).

199210009922 is a wasteful number, since it uses less digits than its factorization.

199210009922 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1293571513.

The product of its (nonzero) digits is 52488, while the sum is 44.

The spelling of 199210009922 in words is "one hundred ninety-nine billion, two hundred ten million, nine thousand, nine hundred twenty-two".