342004302221 has 4 divisors (see below), whose sum is σ = 342069687744. Its totient is φ = 341938916700.

The previous prime is 342004302197. The next prime is 342004302247. The reversal of 342004302221 is 122203400243.

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, and also an emirpimes, since its reverse is a distinct semiprime: 122203400243 = 27941 ⋅4373623.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342004302221 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 (342004302121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32684915 + ... + 32695376.

It is an arithmetic number, because the mean of its divisors is an integer number (85517421936).

Almost surely, 2^342004302221 is an apocalyptic number.

It is an amenable number.

342004302221 is a deficient number, since it is larger than the sum of its proper divisors (65385523).

342004302221 is an equidigital number, since it uses as much as digits as its factorization.

342004302221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65385522.

The product of its (nonzero) digits is 2304, while the sum is 23.

Adding to 342004302221 its reverse (122203400243), we get a palindrome (464207702464).

The spelling of 342004302221 in words is "three hundred forty-two billion, four million, three hundred two thousand, two hundred twenty-one".