206222043 has 6 divisors (see below), whose sum is σ = 274995892. Its totient is φ = 137464780.

The previous prime is 206222039. The next prime is 206222077. The reversal of 206222043 is 340222602.

It is not a de Polignac number, because 206222043 - 2² = 206222039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (206222083) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 20728 + ... + 29018.

Almost surely, 2^206222043 is an apocalyptic number.

206222043 is a deficient number, since it is larger than the sum of its proper divisors (68773849).

206222043 is an frugal number, since it uses more digits than its factorization.

206222043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16585 (or 8294 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 206222043 is about 14360.4332455536. The cubic root of 206222043 is about 590.8061784078.

Adding to 206222043 its reverse (340222602), we get a palindrome (546444645).

The spelling of 206222043 in words is "two hundred six million, two hundred twenty-two thousand, forty-three".