225021670206 has 8 divisors (see below), whose sum is σ = 450043340424. Its totient is φ = 75007223400.

The previous prime is 225021670189. The next prime is 225021670241. The reversal of 225021670206 is 602076120522.

225021670206 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

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

225021670206 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18751805845 + ... + 18751805856.

It is an arithmetic number, because the mean of its divisors is an integer number (56255417553).

Almost surely, 2^225021670206 is an apocalyptic number.

225021670206 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.

225021670206 is a wasteful number, since it uses less digits than its factorization.

225021670206 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37503611706.

The product of its (nonzero) digits is 20160, while the sum is 33.

Adding to 225021670206 its reverse (602076120522), we get a palindrome (827097790728).

The spelling of 225021670206 in words is "two hundred twenty-five billion, twenty-one million, six hundred seventy thousand, two hundred six".