199227541 has 8 divisors (see below), whose sum is σ = 208646784. Its totient is φ = 189871440.

The previous prime is 199227529. The next prime is 199227563. The reversal of 199227541 is 145722991.

It is a happy number.

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

It is not a de Polignac number, because 199227541 - 2²¹ = 197130389 is a prime.

It is a super-2 number, since 2×199227541² = 79383226185813362, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 199227494 and 199227503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199227571) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9265 + ... + 22006.

It is an arithmetic number, because the mean of its divisors is an integer number (26080848).

Almost surely, 2^199227541 is an apocalyptic number.

It is an amenable number.

199227541 is a deficient number, since it is larger than the sum of its proper divisors (9419243).

199227541 is a wasteful number, since it uses less digits than its factorization.

199227541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31571.

The product of its digits is 45360, while the sum is 40.

The square root of 199227541 is about 14114.7986524782. The cubic root of 199227541 is about 584.0496816510.

The spelling of 199227541 in words is "one hundred ninety-nine million, two hundred twenty-seven thousand, five hundred forty-one".