199109222 has 16 divisors (see below), whose sum is σ = 323312640. Its totient is φ = 91418112.

The previous prime is 199109201. The next prime is 199109233. The reversal of 199109222 is 222901991.

It is a congruent 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, 14822 + ... + 24857.

It is an arithmetic number, because the mean of its divisors is an integer number (20207040).

Almost surely, 2^199109222 is an apocalyptic number.

199109222 is a deficient number, since it is larger than the sum of its proper divisors (124203418).

199109222 is a wasteful number, since it uses less digits than its factorization.

199109222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39887.

The product of its (nonzero) digits is 5832, while the sum is 35.

The square root of 199109222 is about 14110.6067197694. The cubic root of 199109222 is about 583.9340385719.

The spelling of 199109222 in words is "one hundred ninety-nine million, one hundred nine thousand, two hundred twenty-two".