229085186 has 36 divisors (see below), whose sum is σ = 386109906. Its totient is φ = 101861760.

The previous prime is 229085179. The next prime is 229085203. The reversal of 229085186 is 681580922.

It can be written as a sum of positive squares in 3 ways, for example, as 211149961 + 17935225 = 14531^2 + 4235^2 .

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 679610 + ... + 679946.

Almost surely, 2^229085186 is an apocalyptic number.

229085186 is a deficient number, since it is larger than the sum of its proper divisors (157024720).

229085186 is a wasteful number, since it uses less digits than its factorization.

229085186 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467 (or 403 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 41.

The square root of 229085186 is about 15135.5603133812. The cubic root of 229085186 is about 611.8791696892.

The spelling of 229085186 in words is "two hundred twenty-nine million, eighty-five thousand, one hundred eighty-six".