242324281 has 4 divisors (see below), whose sum is σ = 242702964. Its totient is φ = 241945600.

The previous prime is 242324279. The next prime is 242324353. The reversal of 242324281 is 182423242.

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

It can be written as a sum of positive squares in 2 ways, for example, as 214329600 + 27994681 = 14640^2 + 5291^2 .

It is a cyclic number.

It is not a de Polignac number, because 242324281 - 2¹ = 242324279 is a prime.

It is a super-2 number, since 2×242324281² = 117442114324333922, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242324881) 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, 188380 + ... + 189661.

It is an arithmetic number, because the mean of its divisors is an integer number (60675741).

Almost surely, 2^242324281 is an apocalyptic number.

It is an amenable number.

242324281 is a deficient number, since it is larger than the sum of its proper divisors (378683).

242324281 is an equidigital number, since it uses as much as digits as its factorization.

242324281 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 378682.

The product of its digits is 6144, while the sum is 28.

The square root of 242324281 is about 15566.7684828933. The cubic root of 242324281 is about 623.4461934173.

The spelling of 242324281 in words is "two hundred forty-two million, three hundred twenty-four thousand, two hundred eighty-one".