222085765 has 8 divisors (see below), whose sum is σ = 290730528. Its totient is φ = 161516880.

The previous prime is 222085757. The next prime is 222085777. The reversal of 222085765 is 567580222.

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

It is not a de Polignac number, because 222085765 - 2³ = 222085757 is a prime.

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, 2018907 + ... + 2019016.

It is an arithmetic number, because the mean of its divisors is an integer number (36341316).

Almost surely, 2^222085765 is an apocalyptic number.

It is an amenable number.

222085765 is a deficient number, since it is larger than the sum of its proper divisors (68644763).

222085765 is a wasteful number, since it uses less digits than its factorization.

222085765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4037939.

The product of its (nonzero) digits is 67200, while the sum is 37.

The square root of 222085765 is about 14902.5422327870. The cubic root of 222085765 is about 605.5828592776.

The spelling of 222085765 in words is "two hundred twenty-two million, eighty-five thousand, seven hundred sixty-five".