542422262221 has 8 divisors (see below), whose sum is σ = 622483404224. Its totient is φ = 463004182080.

The previous prime is 542422262203. The next prime is 542422262279. The reversal of 542422262221 is 122262224245.

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 542422262221 - 2²⁹ = 541885391309 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 (542422262281) 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, 160763655 + ... + 160767028.

It is an arithmetic number, because the mean of its divisors is an integer number (77810425528).

Almost surely, 2^542422262221 is an apocalyptic number.

It is an amenable number.

542422262221 is a deficient number, since it is larger than the sum of its proper divisors (80061142003).

542422262221 is a wasteful number, since it uses less digits than its factorization.

542422262221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321530931.

The product of its digits is 61440, while the sum is 34.

Adding to 542422262221 its reverse (122262224245), we get a palindrome (664684486466).

The spelling of 542422262221 in words is "five hundred forty-two billion, four hundred twenty-two million, two hundred sixty-two thousand, two hundred twenty-one".