206613122222 has 16 divisors (see below), whose sum is σ = 334575714480. Its totient is φ = 95126743872.

The previous prime is 206613122203. The next prime is 206613122227. The reversal of 206613122222 is 222221316602.

It is a super-2 number, since 2×206613122222² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (206613122227) 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, 9704108 + ... + 9725375.

It is an arithmetic number, because the mean of its divisors is an integer number (20910982155).

Almost surely, 2^206613122222 is an apocalyptic number.

206613122222 is a deficient number, since it is larger than the sum of its proper divisors (127962592258).

206613122222 is a wasteful number, since it uses less digits than its factorization.

206613122222 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19429907.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 206613122222 its reverse (222221316602), we get a palindrome (428834438824).

The spelling of 206613122222 in words is "two hundred six billion, six hundred thirteen million, one hundred twenty-two thousand, two hundred twenty-two".