206222341 has 4 divisors (see below), whose sum is σ = 222085612. Its totient is φ = 190359072.

The previous prime is 206222339. The next prime is 206222351. The reversal of 206222341 is 143222602.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 143222602 = 2 ⋅71611301.

It can be written as a sum of positive squares in 2 ways, for example, as 113870241 + 92352100 = 10671^2 + 9610^2 .

It is a cyclic number.

It is not a de Polignac number, because 206222341 - 2¹ = 206222339 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206222321) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7931616 + ... + 7931641.

It is an arithmetic number, because the mean of its divisors is an integer number (55521403).

Almost surely, 2^206222341 is an apocalyptic number.

It is an amenable number.

206222341 is a deficient number, since it is larger than the sum of its proper divisors (15863271).

206222341 is a wasteful number, since it uses less digits than its factorization.

206222341 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15863270.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 206222341 is about 14360.4436212813. The cubic root of 206222341 is about 590.8064629880.

Adding to 206222341 its reverse (143222602), we get a palindrome (349444943).

The spelling of 206222341 in words is "two hundred six million, two hundred twenty-two thousand, three hundred forty-one".