229855951 has 32 divisors (see below), whose sum is σ = 269660160. Its totient is φ = 194223744.

The previous prime is 229855909. The next prime is 229855957. The reversal of 229855951 is 159558922.

It is a happy number.

It is not a de Polignac number, because 229855951 - 2⁷ = 229855823 is a prime.

It is a super-2 number, since 2×229855951² = 105667516420228802, which contains 22 as substring.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229855957) 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 31 ways as a sum of consecutive naturals, for example, 873846 + ... + 874108.

It is an arithmetic number, because the mean of its divisors is an integer number (8426880).

Almost surely, 2^229855951 is an apocalyptic number.

229855951 is a deficient number, since it is larger than the sum of its proper divisors (39804209).

229855951 is a wasteful number, since it uses less digits than its factorization.

229855951 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 415.

The product of its digits is 324000, while the sum is 46.

The square root of 229855951 is about 15161.0009893806. Note that the first 3 decimals coincide. The cubic root of 229855951 is about 612.5646310252.

The spelling of 229855951 in words is "two hundred twenty-nine million, eight hundred fifty-five thousand, nine hundred fifty-one".