229718 has 4 divisors (see below), whose sum is σ = 344580. Its totient is φ = 114858.

The previous prime is 229717. The next prime is 229727. The reversal of 229718 is 817922.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (229711) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 57428 + ... + 57431.

It is an arithmetic number, because the mean of its divisors is an integer number (86145).

2²²⁹⁷¹⁸ is an apocalyptic number.

229718 is a deficient number, since it is larger than the sum of its proper divisors (114862).

229718 is a wasteful number, since it uses less digits than its factorization.

229718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114861.

The product of its digits is 2016, while the sum is 29.

The square root of 229718 is about 479.2890568331. The cubic root of 229718 is about 61.2442060325.

The spelling of 229718 in words is "two hundred twenty-nine thousand, seven hundred eighteen".