242299 has 4 divisors (see below), whose sum is σ = 244800. Its totient is φ = 239800.

The previous prime is 242279. The next prime is 242309. The reversal of 242299 is 992242.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 242299 - 2⁷ = 242171 is a prime.

It is a Duffinian number.

242299 is a lucky number.

It is a nialpdrome in base 14.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242279) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1099 + ... + 1300.

It is an arithmetic number, because the mean of its divisors is an integer number (61200).

2²⁴²²⁹⁹ is an apocalyptic number.

242299 is a deficient number, since it is larger than the sum of its proper divisors (2501).

242299 is a wasteful number, since it uses less digits than its factorization.

242299 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500.

The product of its digits is 2592, while the sum is 28.

The square root of 242299 is about 492.2387632034. The cubic root of 242299 is about 62.3424511877.

It can be divided in two parts, 2422 and 99, that multiplied together give a triangular number (239778 = T₆₉₂).

The spelling of 242299 in words is "two hundred forty-two thousand, two hundred ninety-nine".