199822601 has 16 divisors (see below), whose sum is σ = 229997760. Its totient is φ = 171694080.

The previous prime is 199822589. The next prime is 199822603. The reversal of 199822601 is 106228991.

It is a cyclic number.

It is not a de Polignac number, because 199822601 - 2²² = 195628297 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (199822603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 119765 + ... + 121421.

It is an arithmetic number, because the mean of its divisors is an integer number (14374860).

Almost surely, 2^199822601 is an apocalyptic number.

199822601 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

199822601 is a deficient number, since it is larger than the sum of its proper divisors (30175159).

199822601 is a wasteful number, since it uses less digits than its factorization.

199822601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2264.

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

The square root of 199822601 is about 14135.8622305114. The cubic root of 199822601 is about 584.6305905542.

The spelling of 199822601 in words is "one hundred ninety-nine million, eight hundred twenty-two thousand, six hundred one".