229442 has 8 divisors (see below), whose sum is σ = 348300. Its totient is φ = 113344.

The previous prime is 229433. The next prime is 229459. The reversal of 229442 is 244922.

It is a Cunningham number, because it is equal to 479²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 229441 + 1 = 479^2 + 1^2 .

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

It is a congruent number.

It is an unprimeable number.

229442 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

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, 467 + ... + 822.

2²²⁹⁴⁴² is an apocalyptic number.

229442 is a deficient number, since it is larger than the sum of its proper divisors (118858).

229442 is a wasteful number, since it uses less digits than its factorization.

229442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1380.

The product of its digits is 1152, while the sum is 23.

The square root of 229442 is about 479.0010438402. The cubic root of 229442 is about 61.2196684472.

The spelling of 229442 in words is "two hundred twenty-nine thousand, four hundred forty-two".