227670985 has 12 divisors (see below), whose sum is σ = 274792068. Its totient is φ = 181083168.

The previous prime is 227670983. The next prime is 227671001. The reversal of 227670985 is 589076722.

It can be written as a sum of positive squares in 2 ways, for example, as 41512249 + 186158736 = 6443^2 + 13644^2 .

It is not a de Polignac number, because 227670985 - 2¹ = 227670983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (227670983) 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 11 ways as a sum of consecutive naturals, for example, 600526 + ... + 600904.

It is an arithmetic number, because the mean of its divisors is an integer number (22899339).

Almost surely, 2^227670985 is an apocalyptic number.

It is an amenable number.

227670985 is a deficient number, since it is larger than the sum of its proper divisors (47121083).

227670985 is an frugal number, since it uses more digits than its factorization.

227670985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1080 (or 701 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 227670985 is about 15088.7701619449. The cubic root of 227670985 is about 610.6174747212.

The spelling of 227670985 in words is "two hundred twenty-seven million, six hundred seventy thousand, nine hundred eighty-five".