222835985 has 16 divisors (see below), whose sum is σ = 273030912. Its totient is φ = 174552000.

The previous prime is 222835981. The next prime is 222835999. The reversal of 222835985 is 589538222.

It is a happy number.

It is not a de Polignac number, because 222835985 - 2² = 222835981 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (222835981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 51527 + ... + 55683.

It is an arithmetic number, because the mean of its divisors is an integer number (17064432).

Almost surely, 2^222835985 is an apocalyptic number.

It is an amenable number.

222835985 is a deficient number, since it is larger than the sum of its proper divisors (50194927).

222835985 is a wasteful number, since it uses less digits than its factorization.

222835985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4384.

The product of its digits is 345600, while the sum is 44.

The square root of 222835985 is about 14927.6918845480. The cubic root of 222835985 is about 606.2639921665.

The spelling of 222835985 in words is "two hundred twenty-two million, eight hundred thirty-five thousand, nine hundred eighty-five".