229986555 has 16 divisors (see below), whose sum is σ = 370185984. Its totient is φ = 121923680.

The previous prime is 229986553. The next prime is 229986571. The reversal of 229986555 is 555689922.

It is not a de Polignac number, because 229986555 - 2¹ = 229986553 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 229986498 and 229986507.

It is not an unprimeable number, because it can be changed into a prime (229986553) 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 15 ways as a sum of consecutive naturals, for example, 43401 + ... + 48410.

It is an arithmetic number, because the mean of its divisors is an integer number (23136624).

Almost surely, 2^229986555 is an apocalyptic number.

229986555 is a deficient number, since it is larger than the sum of its proper divisors (140199429).

229986555 is a wasteful number, since it uses less digits than its factorization.

229986555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 91986.

The product of its digits is 1944000, while the sum is 51.

The square root of 229986555 is about 15165.3076131017. The cubic root of 229986555 is about 612.6806286647.

The spelling of 229986555 in words is "two hundred twenty-nine million, nine hundred eighty-six thousand, five hundred fifty-five".