199038222769 has 9 divisors (see below), whose sum is σ = 200930105313. Its totient is φ = 197164001232.

The previous prime is 199038222763. The next prime is 199038222809. The reversal of 199038222769 is 967222830991.

The square root of 199038222769 is 446137.

It is a perfect power (a square), and thus also a powerful number.

199038222769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 2689978225 + 196348244544 = 51865^2 + 443112^2 .

It is not a de Polignac number, because 199038222769 - 2⁵ = 199038222737 is a prime.

It is a super-2 number, since 2×199038222769² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (199038222763) 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 8 ways as a sum of consecutive naturals, for example, 48626887 + ... + 48630979.

It is an arithmetic number, because the mean of its divisors is an integer number (22325567257).

Almost surely, 2^199038222769 is an apocalyptic number.

199038222769 is the 446137-th square number.

199038222769 is the 223069-th centered octagonal number.

It is an amenable number.

199038222769 is a deficient number, since it is larger than the sum of its proper divisors (1891882544).

199038222769 is an frugal number, since it uses more digits than its factorization.

199038222769 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8404 (or 4202 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The spelling of 199038222769 in words is "one hundred ninety-nine billion, thirty-eight million, two hundred twenty-two thousand, seven hundred sixty-nine".