206042226 has 16 divisors (see below), whose sum is σ = 443783424. Its totient is φ = 63397584.

The previous prime is 206042203. The next prime is 206042231. The reversal of 206042226 is 622240602.

It is a junction number, because it is equal to n+sod(n) for n = 206042196 and 206042205.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1320706 + ... + 1320861.

It is an arithmetic number, because the mean of its divisors is an integer number (27736464).

Almost surely, 2^206042226 is an apocalyptic number.

206042226 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

206042226 is an abundant number, since it is smaller than the sum of its proper divisors (237741198).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

206042226 is a wasteful number, since it uses less digits than its factorization.

206042226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2641585.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 206042226 is about 14354.1710314459. The cubic root of 206042226 is about 590.6344090436.

Adding to 206042226 its reverse (622240602), we get a palindrome (828282828).

The spelling of 206042226 in words is "two hundred six million, forty-two thousand, two hundred twenty-six".