242122253446 has 8 divisors (see below), whose sum is σ = 363187127160. Its totient is φ = 121059877728.

The previous prime is 242122253423. The next prime is 242122253453. The reversal of 242122253446 is 644352221242.

It is a happy number.

242122253446 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a super-2 number, since 2×242122253446² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 359731 + ... + 783358.

It is an arithmetic number, because the mean of its divisors is an integer number (45398390895).

Almost surely, 2^242122253446 is an apocalyptic number.

242122253446 is a deficient number, since it is larger than the sum of its proper divisors (121064873714).

242122253446 is a wasteful number, since it uses less digits than its factorization.

242122253446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1248998.

The product of its digits is 184320, while the sum is 37.

Adding to 242122253446 its reverse (644352221242), we get a palindrome (886474474688).

The spelling of 242122253446 in words is "two hundred forty-two billion, one hundred twenty-two million, two hundred fifty-three thousand, four hundred forty-six".