229633 has 4 divisors (see below), whose sum is σ = 230740. Its totient is φ = 228528.

The previous prime is 229631. The next prime is 229637. The reversal of 229633 is 336922.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 82944 + 146689 = 288^2 + 383^2 .

It is a 3-Lehmer number, since φ(229633) divides (229633-1)³.

It is a cyclic number.

It is not a de Polignac number, because 229633 - 2¹ = 229631 is a prime.

It is a deceptive number, since it divides R₂₂₉₆₃₂.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 229598 and 229607.

It is not an unprimeable number, because it can be changed into a prime (229631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 138 + ... + 691.

It is an arithmetic number, because the mean of its divisors is an integer number (57685).

2²²⁹⁶³³ is an apocalyptic number.

229633 is the 277-th octagonal number.

It is an amenable number.

229633 is a deficient number, since it is larger than the sum of its proper divisors (1107).

229633 is an equidigital number, since it uses as much as digits as its factorization.

229633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1106.

The product of its digits is 1944, while the sum is 25.

The square root of 229633 is about 479.2003756259. The cubic root of 229633 is about 61.2366512629.

The spelling of 229633 in words is "two hundred twenty-nine thousand, six hundred thirty-three".