206222064 has 40 divisors (see below), whose sum is σ = 533491152. Its totient is φ = 68643840.

The previous prime is 206222039. The next prime is 206222077. The reversal of 206222064 is 460222602.

It is a Harshad number since it is a multiple of its sum of digits (24).

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 7 ways as a sum of consecutive naturals, for example, 36792 + ... + 42024.

Almost surely, 2^206222064 is an apocalyptic number.

206222064 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

206222064 is an abundant number, since it is smaller than the sum of its proper divisors (327269088).

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

206222064 is a wasteful number, since it uses less digits than its factorization.

206222064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6065 (or 6059 counting only the distinct ones).

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

The square root of 206222064 is about 14360.4339767293. The cubic root of 206222064 is about 590.8061984621.

Adding to 206222064 its reverse (460222602), we get a palindrome (666444666).

The spelling of 206222064 in words is "two hundred six million, two hundred twenty-two thousand, sixty-four".