199086122 has 8 divisors (see below), whose sum is σ = 306700356. Its totient is φ = 96852672.

The previous prime is 199086113. The next prime is 199086143. The reversal of 199086122 is 221680991.

It can be written as a sum of positive squares in 2 ways, for example, as 163814401 + 35271721 = 12799^2 + 5939^2 .

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

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, 1345103 + ... + 1345250.

Almost surely, 2^199086122 is an apocalyptic number.

199086122 is a deficient number, since it is larger than the sum of its proper divisors (107614234).

199086122 is a wasteful number, since it uses less digits than its factorization.

199086122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690392.

The product of its (nonzero) digits is 15552, while the sum is 38.

The square root of 199086122 is about 14109.7881628322. The cubic root of 199086122 is about 583.9114556601.

The spelling of 199086122 in words is "one hundred ninety-nine million, eighty-six thousand, one hundred twenty-two".