242002242221 has 16 divisors (see below), whose sum is σ = 261279691200. Its totient is φ = 223305731328.

The previous prime is 242002242211. The next prime is 242002242227. The reversal of 242002242221 is 122242200242.

242002242221 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 242002242221 - 2³⁴ = 224822373037 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242002242227) 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 15 ways as a sum of consecutive naturals, for example, 50690 + ... + 697548.

It is an arithmetic number, because the mean of its divisors is an integer number (16329980700).

Almost surely, 2^242002242221 is an apocalyptic number.

It is an amenable number.

242002242221 is a deficient number, since it is larger than the sum of its proper divisors (19277448979).

242002242221 is a wasteful number, since it uses less digits than its factorization.

242002242221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 647308.

The product of its (nonzero) digits is 2048, while the sum is 23.

Adding to 242002242221 its reverse (122242200242), we get a palindrome (364244442463).

The spelling of 242002242221 in words is "two hundred forty-two billion, two million, two hundred forty-two thousand, two hundred twenty-one".