242022013 has 8 divisors (see below), whose sum is σ = 256427640. Its totient is φ = 227635200.

The previous prime is 242022007. The next prime is 242022037. The reversal of 242022013 is 310220242.

It can be written as a sum of positive squares in 4 ways, for example, as 20548089 + 221473924 = 4533^2 + 14882^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-242022013 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 (242022413) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 28573 + ... + 36061.

It is an arithmetic number, because the mean of its divisors is an integer number (32053455).

Almost surely, 2^242022013 is an apocalyptic number.

It is an amenable number.

242022013 is a deficient number, since it is larger than the sum of its proper divisors (14405627).

242022013 is a wasteful number, since it uses less digits than its factorization.

242022013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9407.

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 242022013 is about 15557.0566946322. The cubic root of 242022013 is about 623.1868629006.

Adding to 242022013 its reverse (310220242), we get a palindrome (552242255).

The spelling of 242022013 in words is "two hundred forty-two million, twenty-two thousand, thirteen".