222006685 has 8 divisors (see below), whose sum is σ = 266772960. Its totient is φ = 177362064.

The previous prime is 222006683. The next prime is 222006727. The reversal of 222006685 is 586600222.

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

It is a cyclic number.

It is not a de Polignac number, because 222006685 - 2¹ = 222006683 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (222006683) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26347 + ... + 33736.

It is an arithmetic number, because the mean of its divisors is an integer number (33346620).

Almost surely, 2^222006685 is an apocalyptic number.

It is an amenable number.

222006685 is a deficient number, since it is larger than the sum of its proper divisors (44766275).

222006685 is an equidigital number, since it uses as much as digits as its factorization.

222006685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60827.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 222006685 is about 14899.8887579740. Note that the first 3 decimals coincide. The cubic root of 222006685 is about 605.5109723682.

The spelling of 222006685 in words is "two hundred twenty-two million, six thousand, six hundred eighty-five".