199022122 has 8 divisors (see below), whose sum is σ = 321497316. Its totient is φ = 91856352.

The previous prime is 199022107. The next prime is 199022123. The reversal of 199022122 is 221220991.

It can be written as a sum of positive squares in 2 ways, for example, as 186568281 + 12453841 = 13659^2 + 3529^2 .

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

It is not an unprimeable number, because it can be changed into a prime (199022123) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3827323 + ... + 3827374.

Almost surely, 2^199022122 is an apocalyptic number.

199022122 is a deficient number, since it is larger than the sum of its proper divisors (122475194).

199022122 is a wasteful number, since it uses less digits than its factorization.

199022122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7654712.

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 199022122 is about 14107.5200513769. The cubic root of 199022122 is about 583.8488791598.

The spelling of 199022122 in words is "one hundred ninety-nine million, twenty-two thousand, one hundred twenty-two".