242022252013 has 4 divisors (see below), whose sum is σ = 250367846940. Its totient is φ = 233676657088.

The previous prime is 242022251981. The next prime is 242022252019. The reversal of 242022252013 is 310252220242.

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 130012888329 + 112009363684 = 360573^2 + 334678^2 .

It is a cyclic number.

It is not a de Polignac number, because 242022252013 - 2⁵ = 242022251981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242022252019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4172797420 + ... + 4172797477.

It is an arithmetic number, because the mean of its divisors is an integer number (62591961735).

Almost surely, 2^242022252013 is an apocalyptic number.

It is an amenable number.

242022252013 is a deficient number, since it is larger than the sum of its proper divisors (8345594927).

242022252013 is an equidigital number, since it uses as much as digits as its factorization.

242022252013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8345594926.

The product of its (nonzero) digits is 3840, while the sum is 25.

Adding to 242022252013 its reverse (310252220242), we get a palindrome (552274472255).

The spelling of 242022252013 in words is "two hundred forty-two billion, twenty-two million, two hundred fifty-two thousand, thirteen".