8542222096421 has 8 divisors (see below), whose sum is σ = 9199451869440. Its totient is φ = 7885011718512.

The previous prime is 8542222096367. The next prime is 8542222096459. The reversal of 8542222096421 is 1246902222458.

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 8542222096421 - 2¹⁰ = 8542222095397 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8542222096481) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 3927545 + ... + 5701758.

It is an arithmetic number, because the mean of its divisors is an integer number (1149931483680).

Almost surely, 2^{8542222096421} is an apocalyptic number.

It is an amenable number.

8542222096421 is a deficient number, since it is larger than the sum of its proper divisors (657229773019).

8542222096421 is a wasteful number, since it uses less digits than its factorization.

8542222096421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9697555.

The product of its (nonzero) digits is 1105920, while the sum is 47.

The spelling of 8542222096421 in words is "eight trillion, five hundred forty-two billion, two hundred twenty-two million, ninety-six thousand, four hundred twenty-one".