18229206 has 8 divisors (see below), whose sum is σ = 36458424. Its totient is φ = 6076400.

The previous prime is 18229201. The next prime is 18229217. The reversal of 18229206 is 60292281.

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

18229206 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18229201) by changing a digit.

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, 1519095 + ... + 1519106.

It is an arithmetic number, because the mean of its divisors is an integer number (4557303).

Almost surely, 2^18229206 is an apocalyptic number.

18229206 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

18229206 is a wasteful number, since it uses less digits than its factorization.

18229206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3038206.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 18229206 is about 4269.5674253957. The cubic root of 18229206 is about 263.1818391925.

The spelling of 18229206 in words is "eighteen million, two hundred twenty-nine thousand, two hundred six".