242202133 has 4 divisors (see below), whose sum is σ = 242244288. Its totient is φ = 242159980.

The previous prime is 242202109. The next prime is 242202137. The reversal of 242202133 is 331202242.

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-242202133 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 242202133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242202137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10783 + ... + 24508.

It is an arithmetic number, because the mean of its divisors is an integer number (60561072).

Almost surely, 2^242202133 is an apocalyptic number.

It is an amenable number.

242202133 is a deficient number, since it is larger than the sum of its proper divisors (42155).

242202133 is an equidigital number, since it uses as much as digits as its factorization.

242202133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42154.

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 242202133 is about 15562.8446307222. The cubic root of 242202133 is about 623.3414226472.

Adding to 242202133 its reverse (331202242), we get a palindrome (573404375).

The spelling of 242202133 in words is "two hundred forty-two million, two hundred two thousand, one hundred thirty-three".