206222313 has 8 divisors (see below), whose sum is σ = 299959776. Its totient is φ = 124983200.

The previous prime is 206222309. The next prime is 206222321. The reversal of 206222313 is 313222602.

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

It is a cyclic number.

It is not a de Polignac number, because 206222313 - 2² = 206222309 is a prime.

It is a super-3 number, since 3×206222313³ (a number of 26 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 206222313.

It is not an unprimeable number, because it can be changed into a prime (206222113) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3124548 + ... + 3124613.

It is an arithmetic number, because the mean of its divisors is an integer number (37494972).

Almost surely, 2^206222313 is an apocalyptic number.

It is an amenable number.

206222313 is a deficient number, since it is larger than the sum of its proper divisors (93737463).

206222313 is a wasteful number, since it uses less digits than its factorization.

206222313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6249175.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 206222313 is about 14360.4426463811. The cubic root of 206222313 is about 590.8064362489.

Adding to 206222313 its reverse (313222602), we get a palindrome (519444915).

The spelling of 206222313 in words is "two hundred six million, two hundred twenty-two thousand, three hundred thirteen".