206226550 has 24 divisors (see below), whose sum is σ = 384100416. Its totient is φ = 82379040.

The previous prime is 206226523. The next prime is 206226563. The reversal of 206226550 is 55622602.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 41499 + ... + 46201.

It is an arithmetic number, because the mean of its divisors is an integer number (16004184).

Almost surely, 2^206226550 is an apocalyptic number.

206226550 is a deficient number, since it is larger than the sum of its proper divisors (177873866).

206226550 is a wasteful number, since it uses less digits than its factorization.

206226550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5592 (or 5587 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 206226550 is about 14360.5901689311. The cubic root of 206226550 is about 590.8104824159.

It can be divided in two parts, 20622 and 6550, that added together give a palindrome (27172).

The spelling of 206226550 in words is "two hundred six million, two hundred twenty-six thousand, five hundred fifty".