229381 has 8 divisors (see below), whose sum is σ = 247104. Its totient is φ = 212160.

The previous prime is 229373. The next prime is 229393. The reversal of 229381 is 183922.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 229381 - 2³ = 229373 is a prime.

It is a super-2 number, since 2×229381² = 105231286322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229321) 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 7 ways as a sum of consecutive naturals, for example, 1686 + ... + 1816.

It is an arithmetic number, because the mean of its divisors is an integer number (30888).

2²²⁹³⁸¹ is an apocalyptic number.

It is an amenable number.

229381 is a deficient number, since it is larger than the sum of its proper divisors (17723).

229381 is a wasteful number, since it uses less digits than its factorization.

229381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 251.

The product of its digits is 864, while the sum is 25.

The square root of 229381 is about 478.9373654247. The cubic root of 229381 is about 61.2142426305.

The spelling of 229381 in words is "two hundred twenty-nine thousand, three hundred eighty-one".