42334554221 has 8 divisors (see below), whose sum is σ = 42538698720. Its totient is φ = 42130577808.

The previous prime is 42334554209. The next prime is 42334554247. The reversal of 42334554221 is 12245543324.

It is a happy number.

42334554221 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 cyclic number.

It is not a de Polignac number, because 42334554221 - 2¹⁰ = 42334553197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42334554121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 478370 + ... + 559916.

It is an arithmetic number, because the mean of its divisors is an integer number (5317337340).

Almost surely, 2^42334554221 is an apocalyptic number.

It is an amenable number.

42334554221 is a deficient number, since it is larger than the sum of its proper divisors (204144499).

42334554221 is a wasteful number, since it uses less digits than its factorization.

42334554221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84043.

The product of its digits is 115200, while the sum is 35.

The spelling of 42334554221 in words is "forty-two billion, three hundred thirty-four million, five hundred fifty-four thousand, two hundred twenty-one".