242242433 has 4 divisors (see below), whose sum is σ = 242451888. Its totient is φ = 242032980.

The previous prime is 242242421. The next prime is 242242439. The reversal of 242242433 is 334242242.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242242433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (242242439) 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, 102983 + ... + 105308.

It is an arithmetic number, because the mean of its divisors is an integer number (60612972).

Almost surely, 2^242242433 is an apocalyptic number.

It is an amenable number.

242242433 is a deficient number, since it is larger than the sum of its proper divisors (209455).

242242433 is a wasteful number, since it uses less digits than its factorization.

242242433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209454.

The product of its digits is 9216, while the sum is 26.

The square root of 242242433 is about 15564.1393273126. The cubic root of 242242433 is about 623.3759933119.

Adding to 242242433 its reverse (334242242), we get a palindrome (576484675).

The spelling of 242242433 in words is "two hundred forty-two million, two hundred forty-two thousand, four hundred thirty-three".