242242004221 has 16 divisors (see below), whose sum is σ = 277920907264. Its totient is φ = 206832163824.

The previous prime is 242242004177. The next prime is 242242004233. The reversal of 242242004221 is 122400242242.

It is a cyclic number.

It is not a de Polignac number, because 242242004221 - 2⁷ = 242242004093 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242242002221) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3539896 + ... + 3607678.

It is an arithmetic number, because the mean of its divisors is an integer number (17370056704).

Almost surely, 2^242242004221 is an apocalyptic number.

It is an amenable number.

242242004221 is a deficient number, since it is larger than the sum of its proper divisors (35678903043).

242242004221 is a wasteful number, since it uses less digits than its factorization.

242242004221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69760.

The product of its (nonzero) digits is 4096, while the sum is 25.

Adding to 242242004221 its reverse (122400242242), we get a palindrome (364642246463).

The spelling of 242242004221 in words is "two hundred forty-two billion, two hundred forty-two million, four thousand, two hundred twenty-one".