42214144404242 has 4 divisors (see below), whose sum is σ = 63321216606366. Its totient is φ = 21107072202120.

The previous prime is 42214144404241. The next prime is 42214144404281. The reversal of 42214144404242 is 24240444141224.

It is a happy number.

42214144404242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 35803935682321 + 6410208721921 = 5983639^2 + 2531839^2 .

It is a super-2 number, since 2×42214144404242² (a number of 28 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42214144404196 and 42214144404205.

It is not an unprimeable number, because it can be changed into a prime (42214144404241) 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 as a sum of consecutive naturals, namely, 10553536101059 + ... + 10553536101062.

Almost surely, 2^{42214144404242} is an apocalyptic number.

42214144404242 is a deficient number, since it is larger than the sum of its proper divisors (21107072202124).

42214144404242 is a wasteful number, since it uses less digits than its factorization.

42214144404242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21107072202123.

The product of its (nonzero) digits is 262144, while the sum is 38.

Adding to 42214144404242 its reverse (24240444141224), we get a palindrome (66454588545466).

The spelling of 42214144404242 in words is "forty-two trillion, two hundred fourteen billion, one hundred forty-four million, four hundred four thousand, two hundred forty-two".