242422212555 has 32 divisors (see below), whose sum is σ = 431183238720. Its totient is φ = 129228721920.

The previous prime is 242422212553. The next prime is 242422212581. The reversal of 242422212555 is 555212224242.

242422212555 is a `hidden beast` number, since 2 + 42 + 42 + 2 + 21 + 2 + 555 = 666.

It is not a de Polignac number, because 242422212555 - 2¹ = 242422212553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242422212553) 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 31 ways as a sum of consecutive naturals, for example, 160186 + ... + 714495.

It is an arithmetic number, because the mean of its divisors is an integer number (13474476210).

Almost surely, 2^242422212555 is an apocalyptic number.

242422212555 is a deficient number, since it is larger than the sum of its proper divisors (188761026165).

242422212555 is a wasteful number, since it uses less digits than its factorization.

242422212555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 876748 (or 876742 counting only the distinct ones).

The product of its digits is 128000, while the sum is 36.

Adding to 242422212555 its reverse (555212224242), we get a palindrome (797634436797).

The spelling of 242422212555 in words is "two hundred forty-two billion, four hundred twenty-two million, two hundred twelve thousand, five hundred fifty-five".