542221330241 has 4 divisors (see below), whose sum is σ = 542300251584. Its totient is φ = 542142408900.

The previous prime is 542221330207. The next prime is 542221330267. The reversal of 542221330241 is 142033122245.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 542221330241 - 2³⁴ = 525041461057 is a prime.

It is a super-2 number, since 2×542221330241² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (542221330141) 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 in 3 ways as a sum of consecutive naturals, for example, 39450365 + ... + 39464106.

It is an arithmetic number, because the mean of its divisors is an integer number (135575062896).

Almost surely, 2^542221330241 is an apocalyptic number.

It is an amenable number.

542221330241 is a deficient number, since it is larger than the sum of its proper divisors (78921343).

542221330241 is an equidigital number, since it uses as much as digits as its factorization.

542221330241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78921342.

The product of its (nonzero) digits is 11520, while the sum is 29.

Adding to 542221330241 its reverse (142033122245), we get a palindrome (684254452486).

The spelling of 542221330241 in words is "five hundred forty-two billion, two hundred twenty-one million, three hundred thirty thousand, two hundred forty-one".