206628622 has 8 divisors (see below), whose sum is σ = 310042872. Its totient is φ = 103281000.

The previous prime is 206628601. The next prime is 206628637. The reversal of 206628622 is 226826602.

It is a happy number.

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

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 3 ways as a sum of consecutive naturals, for example, 8004 + ... + 21847.

It is an arithmetic number, because the mean of its divisors is an integer number (38755359).

Almost surely, 2^206628622 is an apocalyptic number.

206628622 is a deficient number, since it is larger than the sum of its proper divisors (103414250).

206628622 is a wasteful number, since it uses less digits than its factorization.

206628622 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33314.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 206628622 is about 14374.5824982850. The cubic root of 206628622 is about 591.1941933391.

The spelling of 206628622 in words is "two hundred six million, six hundred twenty-eight thousand, six hundred twenty-two".