342222441221 has 4 divisors (see below), whose sum is σ = 342321438732. Its totient is φ = 342123443712.

The previous prime is 342222441217. The next prime is 342222441247. The reversal of 342222441221 is 122144222243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 137280624196 + 204941817025 = 370514^2 + 452705^2 .

It is a cyclic number.

It is not a de Polignac number, because 342222441221 - 2² = 342222441217 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 (342222443221) 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, 49493570 + ... + 49500483.

It is an arithmetic number, because the mean of its divisors is an integer number (85580359683).

Almost surely, 2^342222441221 is an apocalyptic number.

It is an amenable number.

342222441221 is a deficient number, since it is larger than the sum of its proper divisors (98997511).

342222441221 is an equidigital number, since it uses as much as digits as its factorization.

342222441221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98997510.

The product of its digits is 12288, while the sum is 29.

Adding to 342222441221 its reverse (122144222243), we get a palindrome (464366663464).

The spelling of 342222441221 in words is "three hundred forty-two billion, two hundred twenty-two million, four hundred forty-one thousand, two hundred twenty-one".